54369731 has 16 divisors (see below), whose sum is σ = 60752160. Its totient is φ = 48334080.

The previous prime is 54369713. The next prime is 54369767. The reversal of 54369731 is 13796345.

It is a happy number.

It is not a de Polignac number, because 54369731 - 2¹⁸ = 54107587 is a prime.

It is a super-2 number, since 2×54369731² = 5912135298024722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54369131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43625 + ... + 44853.

It is an arithmetic number, because the mean of its divisors is an integer number (3797010).

Almost surely, 2^54369731 is an apocalyptic number.

54369731 is a deficient number, since it is larger than the sum of its proper divisors (6382429).

54369731 is a wasteful number, since it uses less digits than its factorization.

54369731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

The product of its digits is 68040, while the sum is 38.

The square root of 54369731 is about 7373.5833215608. The cubic root of 54369731 is about 378.8370052128.

The spelling of 54369731 in words is "fifty-four million, three hundred sixty-nine thousand, seven hundred thirty-one".