54536457 has 4 divisors (see below), whose sum is σ = 72715280. Its totient is φ = 36357636.

The previous prime is 54536453. The next prime is 54536477. The reversal of 54536457 is 75463545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54536457 - 2² = 54536453 is a prime.

It is a super-2 number, since 2×54536457² = 5948450284225698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54536453) 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, 9089407 + ... + 9089412.

It is an arithmetic number, because the mean of its divisors is an integer number (18178820).

Almost surely, 2^54536457 is an apocalyptic number.

It is an amenable number.

54536457 is a deficient number, since it is larger than the sum of its proper divisors (18178823).

54536457 is a wasteful number, since it uses less digits than its factorization.

54536457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18178822.

The product of its digits is 252000, while the sum is 39.

The square root of 54536457 is about 7384.8802969310. The cubic root of 54536457 is about 379.2238474538.

The spelling of 54536457 in words is "fifty-four million, five hundred thirty-six thousand, four hundred fifty-seven".