53759979 has 48 divisors (see below), whose sum is σ = 97965504. Its totient is φ = 27648000.

The previous prime is 53759917. The next prime is 53760011. The reversal of 53759979 is 97995735.

It is not a de Polignac number, because 53759979 - 2⁸ = 53759723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53759179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32779 + ... + 34379.

It is an arithmetic number, because the mean of its divisors is an integer number (2040948).

Almost surely, 2^53759979 is an apocalyptic number.

53759979 is a deficient number, since it is larger than the sum of its proper divisors (44205525).

53759979 is a wasteful number, since it uses less digits than its factorization.

53759979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1665 counting only the distinct ones).

The product of its digits is 2679075, while the sum is 54.

The square root of 53759979 is about 7332.1196798743. The cubic root of 53759979 is about 377.4154692827.

It can be divided in two parts, 537 and 59979, that added together give a square (60516 = 246²).

The spelling of 53759979 in words is "fifty-three million, seven hundred fifty-nine thousand, nine hundred seventy-nine".