55512396 has 36 divisors (see below), whose sum is σ = 140961912. Its totient is φ = 18419904.

The previous prime is 55512389. The next prime is 55512439. The reversal of 55512396 is 69321555.

55512396 is a `hidden beast` number, since 55 + 512 + 3 + 96 = 666.

55512396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×55512396² = 6163252219321632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55512396.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4776 + ... + 11568.

Almost surely, 2^55512396 is an apocalyptic number.

It is an amenable number.

55512396 is an abundant number, since it is smaller than the sum of its proper divisors (85449516).

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

55512396 is a wasteful number, since it uses less digits than its factorization.

55512396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030 (or 7025 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 55512396 is about 7450.6641314718. The cubic root of 55512396 is about 381.4725778697.

The spelling of 55512396 in words is "fifty-five million, five hundred twelve thousand, three hundred ninety-six".