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55331848 = 23112134397
BaseRepresentation
bin1101001100010…
…0110000001000
310212010011000201
43103010300020
5103131104343
65253541544
71241212225
oct323046010
9125104021
1055331848
1129262700
12166448b4
13b604250
1474c494c
154cce94d
hex34c4c08

55331848 has 48 divisors (see below), whose sum is σ = 122836140. Its totient is φ = 23210880.

The previous prime is 55331803. The next prime is 55331851. The reversal of 55331848 is 84813355.

It can be written as a sum of positive squares in 2 ways, for example, as 53027524 + 2304324 = 7282^2 + 1518^2 .

It is a super-2 number, since 2×553318482 = 6123226806190208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10386 + ... + 14782.

Almost surely, 255331848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55331848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61418070).

55331848 is an abundant number, since it is smaller than the sum of its proper divisors (67504292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55331848 is a wasteful number, since it uses less digits than its factorization.

55331848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438 (or 4423 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 55331848 is about 7438.5380284032. The cubic root of 55331848 is about 381.0585627448.

It can be divided in two parts, 5533 and 1848, that added together give a triangular number (7381 = T121).

The spelling of 55331848 in words is "fifty-five million, three hundred thirty-one thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 121 143 242 286 484 572 968 1144 1573 3146 4397 6292 8794 12584 17588 35176 48367 57161 96734 114322 193468 228644 386936 457288 532037 628771 1064074 1257542 2128148 2515084 4256296 5030168 6916481 13832962 27665924 55331848