54457531 has 8 divisors (see below), whose sum is σ = 55722240. Its totient is φ = 53204328.

The previous prime is 54457517. The next prime is 54457549. The reversal of 54457531 is 13575445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54457531 - 2⁵ = 54457499 is a prime.

It is a super-2 number, since 2×54457531² = 5931245365231922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54457561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7090 + ... + 12616.

It is an arithmetic number, because the mean of its divisors is an integer number (6965280).

Almost surely, 2^54457531 is an apocalyptic number.

54457531 is a deficient number, since it is larger than the sum of its proper divisors (1264709).

54457531 is a wasteful number, since it uses less digits than its factorization.

54457531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753.

The product of its digits is 42000, while the sum is 34.

The square root of 54457531 is about 7379.5346059220. The cubic root of 54457531 is about 379.0408196021.

The spelling of 54457531 in words is "fifty-four million, four hundred fifty-seven thousand, five hundred thirty-one".