55855632 has 40 divisors (see below), whose sum is σ = 164908096. Its totient is φ = 15958656.

The previous prime is 55855627. The next prime is 55855643. The reversal of 55855632 is 23655855.

It is a super-2 number, since 2×55855632² = 6239703252238848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82783 + ... + 83454.

Almost surely, 2^55855632 is an apocalyptic number.

It is an amenable number.

55855632 is an abundant number, since it is smaller than the sum of its proper divisors (109052464).

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

55855632 is a wasteful number, since it uses less digits than its factorization.

55855632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166255 (or 166249 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The square root of 55855632 is about 7473.6625559360. The cubic root of 55855632 is about 382.2571845209.

The spelling of 55855632 in words is "fifty-five million, eight hundred fifty-five thousand, six hundred thirty-two".