55810152 has 48 divisors (see below), whose sum is σ = 156370500. Its totient is φ = 17961216.

The previous prime is 55810151. The next prime is 55810169. The reversal of 55810152 is 25101855.

55810152 is a `hidden beast` number, since 558 + 101 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55442916 + 367236 = 7446^2 + 606^2 .

It is a super-2 number, since 2×55810152² = 6229546132526208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55810151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11277 + ... + 15452.

Almost surely, 2^55810152 is an apocalyptic number.

It is an amenable number.

55810152 is an abundant number, since it is smaller than the sum of its proper divisors (100560348).

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

55810152 is a wasteful number, since it uses less digits than its factorization.

55810152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26770 (or 26763 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 55810152 is about 7470.6192514409. The cubic root of 55810152 is about 382.1534064010.

The spelling of 55810152 in words is "fifty-five million, eight hundred ten thousand, one hundred fifty-two".