Search a number
-
+
55880464 = 243492529
BaseRepresentation
bin1101010100101…
…0101100010000
310220011000120211
43111022230100
5103301133324
65313413504
71245655543
oct325125420
9126130524
1055880464
11295a7902
121686a294
13b766b83
1475c885a
154d8c294
hex354ab10

55880464 has 10 divisors (see below), whose sum is σ = 108268430. Its totient is φ = 27940224.

The previous prime is 55880459. The next prime is 55880543. The reversal of 55880464 is 46408855.

It can be written as a sum of positive squares in only one way, i.e., 54169600 + 1710864 = 7360^2 + 1308^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746249 + ... + 1746280.

It is an arithmetic number, because the mean of its divisors is an integer number (10826843).

Almost surely, 255880464 is an apocalyptic number.

It is an amenable number.

55880464 is a deficient number, since it is larger than the sum of its proper divisors (52387966).

55880464 is a wasteful number, since it uses less digits than its factorization.

55880464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492537 (or 3492531 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 55880464 is about 7475.3236719222. The cubic root of 55880464 is about 382.3138234175.

The spelling of 55880464 in words is "fifty-five million, eight hundred eighty thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 3492529 6985058 13970116 27940232 55880464