55512152 has 16 divisors (see below), whose sum is σ = 104836200. Its totient is φ = 27555840.

The previous prime is 55512151. The next prime is 55512161. The reversal of 55512152 is 25121555.

It is a super-2 number, since 2×55512152² = 6163198039342208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55512151) 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, 23849 + ... + 26072.

Almost surely, 2^55512152 is an apocalyptic number.

It is an amenable number.

55512152 is a deficient number, since it is larger than the sum of its proper divisors (49324048).

55512152 is a wasteful number, since it uses less digits than its factorization.

55512152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50066 (or 50062 counting only the distinct ones).

The product of its digits is 2500, while the sum is 26.

The square root of 55512152 is about 7450.6477570745. The cubic root of 55512152 is about 381.4720189589.

The spelling of 55512152 in words is "fifty-five million, five hundred twelve thousand, one hundred fifty-two".