55724479 has 8 divisors (see below), whose sum is σ = 57423168. Its totient is φ = 54036000.

The previous prime is 55724443. The next prime is 55724483. The reversal of 55724479 is 97442755.

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 55724479 - 2¹⁷ = 55593407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55728479) 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, 9354 + ... + 14104.

It is an arithmetic number, because the mean of its divisors is an integer number (7177896).

Almost surely, 2^55724479 is an apocalyptic number.

55724479 is a deficient number, since it is larger than the sum of its proper divisors (1698689).

55724479 is a wasteful number, since it uses less digits than its factorization.

55724479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105.

The product of its digits is 352800, while the sum is 43.

The square root of 55724479 is about 7464.8830533371. The cubic root of 55724479 is about 381.9577610159.

The spelling of 55724479 in words is "fifty-five million, seven hundred twenty-four thousand, four hundred seventy-nine".