55990662 has 32 divisors (see below), whose sum is σ = 137824512. Its totient is φ = 14766624.

The previous prime is 55990637. The next prime is 55990679. The reversal of 55990662 is 26609955.

55990662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50728 + ... + 51819.

It is an arithmetic number, because the mean of its divisors is an integer number (4307016).

Almost surely, 2^55990662 is an apocalyptic number.

55990662 is an abundant number, since it is smaller than the sum of its proper divisors (81833850).

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

55990662 is a wasteful number, since it uses less digits than its factorization.

55990662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102572.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 55990662 is about 7482.6908261667. The cubic root of 55990662 is about 382.5649699541.

The spelling of 55990662 in words is "fifty-five million, nine hundred ninety thousand, six hundred sixty-two".