55677590 has 16 divisors (see below), whose sum is σ = 102664800. Its totient is φ = 21727680.

The previous prime is 55677571. The next prime is 55677617. The reversal of 55677590 is 9577655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67490 + ... + 68309.

It is an arithmetic number, because the mean of its divisors is an integer number (6416550).

Almost surely, 2^55677590 is an apocalyptic number.

55677590 is a deficient number, since it is larger than the sum of its proper divisors (46987210).

55677590 is a wasteful number, since it uses less digits than its factorization.

55677590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135847.

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 55677590 is about 7461.7417537730. The cubic root of 55677590 is about 381.8505989964.

The spelling of 55677590 in words is "fifty-five million, six hundred seventy-seven thousand, five hundred ninety".