55671996 has 24 divisors (see below), whose sum is σ = 134381520. Its totient is φ = 17917312.

The previous prime is 55671949. The next prime is 55672007. The reversal of 55671996 is 69917655.

It is a super-2 number, since 2×55671996² = 6198742277248032, which contains 22 as substring.

It is a congruent number.

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, 79641 + ... + 80336.

It is an arithmetic number, because the mean of its divisors is an integer number (5599230).

Almost surely, 2^55671996 is an apocalyptic number.

It is an amenable number.

55671996 is an abundant number, since it is smaller than the sum of its proper divisors (78709524).

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

55671996 is a wasteful number, since it uses less digits than its factorization.

55671996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160013 (or 160011 counting only the distinct ones).

The product of its digits is 510300, while the sum is 48.

The square root of 55671996 is about 7461.3668989000. The cubic root of 55671996 is about 381.8378102257.

The spelling of 55671996 in words is "fifty-five million, six hundred seventy-one thousand, nine hundred ninety-six".