55999152 has 60 divisors (see below), whose sum is σ = 170971944. Its totient is φ = 16968960.

The previous prime is 55999127. The next prime is 55999157. The reversal of 55999152 is 25199955.

55999152 is a `hidden beast` number, since 5 + 599 + 9 + 1 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55999098 and 55999107.

It is not an unprimeable number, because it can be changed into a prime (55999157) 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, 16093 + ... + 19260.

Almost surely, 2^55999152 is an apocalyptic number.

It is an amenable number.

55999152 is an abundant number, since it is smaller than the sum of its proper divisors (114972792).

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

55999152 is a wasteful number, since it uses less digits than its factorization.

55999152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35378 (or 35369 counting only the distinct ones).

The product of its digits is 182250, while the sum is 45.

The square root of 55999152 is about 7483.2581139501. The cubic root of 55999152 is about 382.5843053952.

The spelling of 55999152 in words is "fifty-five million, nine hundred ninety-nine thousand, one hundred fifty-two".