55291756 has 12 divisors (see below), whose sum is σ = 104203792. Its totient is φ = 25519248.

The previous prime is 55291711. The next prime is 55291759. The reversal of 55291756 is 65719255.

It is not an unprimeable number, because it can be changed into a prime (55291759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531600 + ... + 531703.

Almost surely, 2^55291756 is an apocalyptic number.

It is an amenable number.

55291756 is a deficient number, since it is larger than the sum of its proper divisors (48912036).

55291756 is a wasteful number, since it uses less digits than its factorization.

55291756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063320 (or 1063318 counting only the distinct ones).

The product of its digits is 94500, while the sum is 40.

The square root of 55291756 is about 7435.8426556780. The cubic root of 55291756 is about 380.9665055071.

The spelling of 55291756 in words is "fifty-five million, two hundred ninety-one thousand, seven hundred fifty-six".