55776132 has 36 divisors (see below), whose sum is σ = 142077936. Its totient is φ = 18448560.

The previous prime is 55776107. The next prime is 55776137. The reversal of 55776132 is 23167755.

55776132 is a `hidden beast` number, since 557 + 76 + 1 + 32 = 666.

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

It is a super-2 number, since 2×55776132² = 6221953801762848, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (55776137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1198 + ... + 10629.

Almost surely, 2^55776132 is an apocalyptic number.

It is an amenable number.

55776132 is an abundant number, since it is smaller than the sum of its proper divisors (86301804).

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

55776132 is a wasteful number, since it uses less digits than its factorization.

55776132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968 (or 11963 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 55776132 is about 7468.3419846710. The cubic root of 55776132 is about 382.0757413111.

The spelling of 55776132 in words is "fifty-five million, seven hundred seventy-six thousand, one hundred thirty-two".