54630891 has 24 divisors (see below), whose sum is σ = 91070720. Its totient is φ = 30910896.

The previous prime is 54630889. The next prime is 54630899. The reversal of 54630891 is 19803645.

54630891 is a `hidden beast` number, since 546 + 30 + 89 + 1 = 666.

It is not a de Polignac number, because 54630891 - 2¹ = 54630889 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54630899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2280 + ... + 10698.

Almost surely, 2^54630891 is an apocalyptic number.

54630891 is a deficient number, since it is larger than the sum of its proper divisors (36439829).

54630891 is a wasteful number, since it uses less digits than its factorization.

54630891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535 (or 8532 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 54630891 is about 7391.2712708979. The cubic root of 54630891 is about 379.4426061611.

The spelling of 54630891 in words is "fifty-four million, six hundred thirty thousand, eight hundred ninety-one".