52631579 has 16 divisors (see below), whose sum is σ = 70667520. Its totient is φ = 37856160.

The previous prime is 52631573. The next prime is 52631591. The reversal of 52631579 is 97513625.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52631579 - 2⁴ = 52631563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52631573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25289 + ... + 27290.

It is an arithmetic number, because the mean of its divisors is an integer number (4416720).

Almost surely, 2^52631579 is an apocalyptic number.

52631579 is a deficient number, since it is larger than the sum of its proper divisors (18035941).

52631579 is a wasteful number, since it uses less digits than its factorization.

52631579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52610.

The product of its digits is 56700, while the sum is 38.

The square root of 52631579 is about 7254.7625047275. The cubic root of 52631579 is about 374.7561769092.

Multiplying 52631579 by its sum of digits (38), we get a palindrome (2000000002).

The spelling of 52631579 in words is "fifty-two million, six hundred thirty-one thousand, five hundred seventy-nine".