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55886151 = 318628717
BaseRepresentation
bin1101010100110…
…0000101000111
310220011022101110
43111030011013
5103301324101
65313500103
71246011246
oct325140507
9126138343
1055886151
1129601102
1216871633
13b769639
1475ca95d
154d8dcd6
hex354c147

55886151 has 4 divisors (see below), whose sum is σ = 74514872. Its totient is φ = 37257432.

The previous prime is 55886143. The next prime is 55886189. The reversal of 55886151 is 15168855.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55886151 - 23 = 55886143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55886651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9314356 + ... + 9314361.

It is an arithmetic number, because the mean of its divisors is an integer number (18628718).

Almost surely, 255886151 is an apocalyptic number.

55886151 is a deficient number, since it is larger than the sum of its proper divisors (18628721).

55886151 is a wasteful number, since it uses less digits than its factorization.

55886151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18628720.

The product of its digits is 48000, while the sum is 39.

The square root of 55886151 is about 7475.7040471115. The cubic root of 55886151 is about 382.3267924399.

The spelling of 55886151 in words is "fifty-five million, eight hundred eighty-six thousand, one hundred fifty-one".

Divisors: 1 3 18628717 55886151