55107256 has 8 divisors (see below), whose sum is σ = 103326120. Its totient is φ = 27553624.

The previous prime is 55107253. The next prime is 55107263. The reversal of 55107256 is 65270155.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55107253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444196 + ... + 3444211.

It is an arithmetic number, because the mean of its divisors is an integer number (12915765).

Almost surely, 2^55107256 is an apocalyptic number.

It is an amenable number.

55107256 is a deficient number, since it is larger than the sum of its proper divisors (48218864).

55107256 is a wasteful number, since it uses less digits than its factorization.

55107256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6888413 (or 6888409 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 55107256 is about 7423.4261631675. The cubic root of 55107256 is about 380.5422912962.

The spelling of 55107256 in words is "fifty-five million, one hundred seven thousand, two hundred fifty-six".