52623491 has 4 divisors (see below), whose sum is σ = 52639272. Its totient is φ = 52607712.

The previous prime is 52623469. The next prime is 52623499. The reversal of 52623491 is 19432625.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52623491 - 2⁶ = 52623427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52623499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (13159818).

Almost surely, 2^52623491 is an apocalyptic number.

52623491 is a deficient number, since it is larger than the sum of its proper divisors (15781).

52623491 is a wasteful number, since it uses less digits than its factorization.

52623491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15780.

The product of its digits is 12960, while the sum is 32.

The square root of 52623491 is about 7254.2050563794. The cubic root of 52623491 is about 374.7369794154.

The spelling of 52623491 in words is "fifty-two million, six hundred twenty-three thousand, four hundred ninety-one".