55890256 has 20 divisors (see below), whose sum is σ = 108608500. Its totient is φ = 27862272.

The previous prime is 55890251. The next prime is 55890283. The reversal of 55890256 is 65209855.

It can be written as a sum of positive squares in 2 ways, for example, as 50979600 + 4910656 = 7140^2 + 2216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55890251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580 + ... + 10588.

It is an arithmetic number, because the mean of its divisors is an integer number (5430425).

Almost surely, 2^55890256 is an apocalyptic number.

It is an amenable number.

55890256 is a deficient number, since it is larger than the sum of its proper divisors (52718244).

55890256 is a wasteful number, since it uses less digits than its factorization.

55890256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366 (or 10360 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 55890256 is about 7475.9785981502. The cubic root of 55890256 is about 382.3361532149.

The spelling of 55890256 in words is "fifty-five million, eight hundred ninety thousand, two hundred fifty-six".