55240756 has 24 divisors (see below), whose sum is σ = 102594240. Its totient is φ = 25969152.

The previous prime is 55240747. The next prime is 55240777. The reversal of 55240756 is 65704255.

It is a super-2 number, since 2×55240756² = 6103082246903072, 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, 340 + ... + 10516.

It is an arithmetic number, because the mean of its divisors is an integer number (4274760).

Almost surely, 2^55240756 is an apocalyptic number.

It is an amenable number.

55240756 is a deficient number, since it is larger than the sum of its proper divisors (47353484).

55240756 is a wasteful number, since it uses less digits than its factorization.

55240756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10263 (or 10261 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 55240756 is about 7432.4125289168. The cubic root of 55240756 is about 380.8493375362.

The spelling of 55240756 in words is "fifty-five million, two hundred forty thousand, seven hundred fifty-six".