54530731 has 4 divisors (see below), whose sum is σ = 55040472. Its totient is φ = 54020992.

The previous prime is 54530719. The next prime is 54530737. The reversal of 54530731 is 13703545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54530731 - 2⁵ = 54530699 is a prime.

It is a super-2 number, since 2×54530731² = 5947201246788722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54530731.

It is not an unprimeable number, because it can be changed into a prime (54530737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254710 + ... + 254923.

It is an arithmetic number, because the mean of its divisors is an integer number (13760118).

Almost surely, 2^54530731 is an apocalyptic number.

54530731 is a deficient number, since it is larger than the sum of its proper divisors (509741).

54530731 is a wasteful number, since it uses less digits than its factorization.

54530731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509740.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 54530731 is about 7384.4926027453. The cubic root of 54530731 is about 379.2105749149.

The spelling of 54530731 in words is "fifty-four million, five hundred thirty thousand, seven hundred thirty-one".