54866931 has 32 divisors (see below), whose sum is σ = 86900736. Its totient is φ = 30132000.

The previous prime is 54866923. The next prime is 54866953. The reversal of 54866931 is 13966845.

It is not a de Polignac number, because 54866931 - 2³ = 54866923 is a prime.

It is a super-2 number, since 2×54866931² = 6020760234717522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54867931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176266 + ... + 176576.

It is an arithmetic number, because the mean of its divisors is an integer number (2715648).

Almost surely, 2^54866931 is an apocalyptic number.

54866931 is a deficient number, since it is larger than the sum of its proper divisors (32033805).

54866931 is a wasteful number, since it uses less digits than its factorization.

54866931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its digits is 155520, while the sum is 42.

The square root of 54866931 is about 7407.2215438719. The cubic root of 54866931 is about 379.9882983470.

The spelling of 54866931 in words is "fifty-four million, eight hundred sixty-six thousand, nine hundred thirty-one".