55443256 has 32 divisors (see below), whose sum is σ = 120080880. Its totient is φ = 23718400.

The previous prime is 55443251. The next prime is 55443259. The reversal of 55443256 is 65234455.

55443256 = 1854² + 1855² + ... + 1869².

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55443251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17035 + ... + 20026.

Almost surely, 2^55443256 is an apocalyptic number.

It is an amenable number.

55443256 is an abundant number, since it is smaller than the sum of its proper divisors (64637624).

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

55443256 is a wasteful number, since it uses less digits than its factorization.

55443256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37095 (or 37091 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 55443256 is about 7446.0228310152. The cubic root of 55443256 is about 381.3141389538.

The spelling of 55443256 in words is "fifty-five million, four hundred forty-three thousand, two hundred fifty-six".