55776532 has 24 divisors (see below), whose sum is σ = 112601664. Its totient is φ = 23679552.

The previous prime is 55776529. The next prime is 55776551. The reversal of 55776532 is 23567755.

It is a super-2 number, since 2×55776532² = 6222043043894048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6313 + ... + 12304.

It is an arithmetic number, because the mean of its divisors is an integer number (4691736).

Almost surely, 2^55776532 is an apocalyptic number.

It is an amenable number.

55776532 is an abundant number, since it is smaller than the sum of its proper divisors (56825132).

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

55776532 is a wasteful number, since it uses less digits than its factorization.

55776532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18735 (or 18733 counting only the distinct ones).

The product of its digits is 220500, while the sum is 40.

The square root of 55776532 is about 7468.3687643287. The cubic root of 55776532 is about 382.0766546644.

The spelling of 55776532 in words is "fifty-five million, seven hundred seventy-six thousand, five hundred thirty-two".