54715281 has 4 divisors (see below), whose sum is σ = 72953712. Its totient is φ = 36476852.

The previous prime is 54715277. The next prime is 54715289. The reversal of 54715281 is 18251745.

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 a cyclic number.

It is not a de Polignac number, because 54715281 - 2² = 54715277 is a prime.

It is a super-2 number, since 2×54715281² = 5987523949817922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54715289) 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, 9119211 + ... + 9119216.

It is an arithmetic number, because the mean of its divisors is an integer number (18238428).

Almost surely, 2^54715281 is an apocalyptic number.

It is an amenable number.

54715281 is a deficient number, since it is larger than the sum of its proper divisors (18238431).

54715281 is a wasteful number, since it uses less digits than its factorization.

54715281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18238430.

The product of its digits is 11200, while the sum is 33.

The square root of 54715281 is about 7396.9778288163. The cubic root of 54715281 is about 379.6378844921.

The spelling of 54715281 in words is "fifty-four million, seven hundred fifteen thousand, two hundred eighty-one".