79224553 has 2 divisors, whose sum is σ = 79224554. Its totient is φ = 79224552.

The previous prime is 79224529. The next prime is 79224557. The reversal of 79224553 is 35542297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48399849 + 30824704 = 6957^2 + 5552^2 .

It is a cyclic number.

It is not a de Polignac number, because 79224553 - 2⁵ = 79224521 is a prime.

It is not a weakly prime, because it can be changed into another prime (79224557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39612276 + 39612277.

It is an arithmetic number, because the mean of its divisors is an integer number (39612277).

Almost surely, 2^79224553 is an apocalyptic number.

It is an amenable number.

79224553 is a deficient number, since it is larger than the sum of its proper divisors (1).

79224553 is an equidigital number, since it uses as much as digits as its factorization.

79224553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 79224553 is about 8900.8175467201. The cubic root of 79224553 is about 429.4902070956.

The spelling of 79224553 in words is "seventy-nine million, two hundred twenty-four thousand, five hundred fifty-three".