55890576 has 135 divisors (see below), whose sum is σ = 184020681. Its totient is φ = 15789312.

The previous prime is 55890563. The next prime is 55890599. The reversal of 55890576 is 67509855.

The square root of 55890576 is 7476.

It is a perfect power (a square), and thus also a powerful number.

55890576 is a `hidden beast` number, since 558 + 90 + 5 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10732176 + 45158400 = 3276^2 + 6720^2 .

It is a super-2 number, since 2×55890576² = 6247512971223552, which contains 22 as substring.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 627940 + ... + 628028.

Almost surely, 2^55890576 is an apocalyptic number.

55890576 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

55890576 is the 7476-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55890576

55890576 is an abundant number, since it is smaller than the sum of its proper divisors (128130105).

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

55890576 is a wasteful number, since it uses less digits than its factorization.

55890576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The cubic root of 55890576 is about 382.3368829028.

The spelling of 55890576 in words is "fifty-five million, eight hundred ninety thousand, five hundred seventy-six".