52631623 has 4 divisors (see below), whose sum is σ = 57416328. Its totient is φ = 47846920.

The previous prime is 52631603. The next prime is 52631627. The reversal of 52631623 is 32613625.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52631623 - 2⁵ = 52631591 is a prime.

It is a super-2 number, since 2×52631623² = 5540175479228258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52631591 and 52631600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52631627) 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 3 ways as a sum of consecutive naturals, for example, 2392336 + ... + 2392357.

It is an arithmetic number, because the mean of its divisors is an integer number (14354082).

Almost surely, 2^52631623 is an apocalyptic number.

52631623 is a deficient number, since it is larger than the sum of its proper divisors (4784705).

52631623 is a wasteful number, since it uses less digits than its factorization.

52631623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784704.

The product of its digits is 6480, while the sum is 28.

The square root of 52631623 is about 7254.7655372176. The cubic root of 52631623 is about 374.7562813413.

It can be divided in two parts, 5263 and 1623, that added together give a palindrome (6886).

The spelling of 52631623 in words is "fifty-two million, six hundred thirty-one thousand, six hundred twenty-three".