55990827 has 6 divisors (see below), whose sum is σ = 80875652. Its totient is φ = 37327212.

The previous prime is 55990819. The next prime is 55990829. The reversal of 55990827 is 72809955.

It is a happy number.

55990827 is a `hidden beast` number, since 559 + 90 + 8 + 2 + 7 = 666.

It is not a de Polignac number, because 55990827 - 2³ = 55990819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55990829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3110593 + ... + 3110610.

Almost surely, 2^55990827 is an apocalyptic number.

55990827 is a deficient number, since it is larger than the sum of its proper divisors (24884825).

55990827 is a wasteful number, since it uses less digits than its factorization.

55990827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221209 (or 6221206 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 55990827 is about 7482.7018516041. The cubic root of 55990827 is about 382.5653457498.

The spelling of 55990827 in words is "fifty-five million, nine hundred ninety thousand, eight hundred twenty-seven".