55630256 has 40 divisors (see below), whose sum is σ = 124505424. Its totient is φ = 23797760.

The previous prime is 55630247. The next prime is 55630259. The reversal of 55630256 is 65203655.

55630256 = T₁₆₉ + T₁₇₀ + ... + T₆₉₆.

It is not an unprimeable number, because it can be changed into a prime (55630259) 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, 6305 + ... + 12288.

Almost surely, 2^55630256 is an apocalyptic number.

It is an amenable number.

55630256 is an abundant number, since it is smaller than the sum of its proper divisors (68875168).

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

55630256 is a wasteful number, since it uses less digits than its factorization.

55630256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18629 (or 18623 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 55630256 is about 7458.5692998054. The cubic root of 55630256 is about 381.7423589148.

The spelling of 55630256 in words is "fifty-five million, six hundred thirty thousand, two hundred fifty-six".