55943936 has 18 divisors (see below), whose sum is σ = 111669852. Its totient is φ = 27971840.

The previous prime is 55943917. The next prime is 55943939. The reversal of 55943936 is 63934955.

It is not an unprimeable number, because it can be changed into a prime (55943939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109010 + ... + 109521.

Almost surely, 2^55943936 is an apocalyptic number.

It is an amenable number.

55943936 is a deficient number, since it is larger than the sum of its proper divisors (55725916).

55943936 is an equidigital number, since it uses as much as digits as its factorization.

55943936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218547 (or 218533 counting only the distinct ones).

The product of its digits is 437400, while the sum is 44.

The square root of 55943936 is about 7479.5679019580. The cubic root of 55943936 is about 382.4585194313.

The spelling of 55943936 in words is "fifty-five million, nine hundred forty-three thousand, nine hundred thirty-six".