55946972 has 6 divisors (see below), whose sum is σ = 97907208. Its totient is φ = 27973484.

The previous prime is 55946953. The next prime is 55946993. The reversal of 55946972 is 27964955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6993368 + ... + 6993375.

It is an arithmetic number, because the mean of its divisors is an integer number (16317868).

Almost surely, 2^55946972 is an apocalyptic number.

It is an amenable number.

55946972 is a deficient number, since it is larger than the sum of its proper divisors (41960236).

55946972 is a wasteful number, since it uses less digits than its factorization.

55946972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13986747 (or 13986745 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The square root of 55946972 is about 7479.7708521050. The cubic root of 55946972 is about 382.4654378044.

The spelling of 55946972 in words is "fifty-five million, nine hundred forty-six thousand, nine hundred seventy-two".