54251579 has 4 divisors (see below), whose sum is σ = 54524400. Its totient is φ = 53978760.

The previous prime is 54251563. The next prime is 54251599. The reversal of 54251579 is 97515245.

It is a happy number.

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 54251579 - 2⁴ = 54251563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54251599) 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, 136112 + ... + 136509.

It is an arithmetic number, because the mean of its divisors is an integer number (13631100).

Almost surely, 2^54251579 is an apocalyptic number.

54251579 is a deficient number, since it is larger than the sum of its proper divisors (272821).

54251579 is a wasteful number, since it uses less digits than its factorization.

54251579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272820.

The product of its digits is 63000, while the sum is 38.

The square root of 54251579 is about 7365.5671200526. The cubic root of 54251579 is about 378.5623866494.

The spelling of 54251579 in words is "fifty-four million, two hundred fifty-one thousand, five hundred seventy-nine".