52456642 has 16 divisors (see below), whose sum is σ = 90532800. Its totient is φ = 22329648.

The previous prime is 52456637. The next prime is 52456661. The reversal of 52456642 is 24665425.

It is a junction number, because it is equal to n+sod(n) for n = 52456598 and 52456607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10488 + ... + 14659.

It is an arithmetic number, because the mean of its divisors is an integer number (5658300).

Almost surely, 2^52456642 is an apocalyptic number.

52456642 is a deficient number, since it is larger than the sum of its proper divisors (38076158).

52456642 is a wasteful number, since it uses less digits than its factorization.

52456642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25305.

The product of its digits is 57600, while the sum is 34.

The square root of 52456642 is about 7242.6957688419. The cubic root of 52456642 is about 374.3405108031.

The spelling of 52456642 in words is "fifty-two million, four hundred fifty-six thousand, six hundred forty-two".