55667090 has 16 divisors (see below), whose sum is σ = 101900160. Its totient is φ = 21889200.

The previous prime is 55667089. The next prime is 55667123. The reversal of 55667090 is 9076655.

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, 46586 + ... + 47765.

It is an arithmetic number, because the mean of its divisors is an integer number (6368760).

Almost surely, 2^55667090 is an apocalyptic number.

55667090 is a deficient number, since it is larger than the sum of its proper divisors (46233070).

55667090 is a wasteful number, since it uses less digits than its factorization.

55667090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94417.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 55667090 is about 7461.0381315203. The cubic root of 55667090 is about 381.8265936270.

The spelling of 55667090 in words is "fifty-five million, six hundred sixty-seven thousand, ninety".