55700256 has 48 divisors (see below), whose sum is σ = 146821248. Its totient is φ = 18489600.

The previous prime is 55700231. The next prime is 55700257. The reversal of 55700256 is 65200755.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (55700257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24946 + ... + 27086.

It is an arithmetic number, because the mean of its divisors is an integer number (3058776).

Almost surely, 2^55700256 is an apocalyptic number.

It is an amenable number.

55700256 is an abundant number, since it is smaller than the sum of its proper divisors (91120992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55700256 is a wasteful number, since it uses less digits than its factorization.

55700256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55700256 is about 7463.2604135190. The cubic root of 55700256 is about 381.9024082999.

The spelling of 55700256 in words is "fifty-five million, seven hundred thousand, two hundred fifty-six".