52613745 has 16 divisors (see below), whose sum is σ = 84341760. Its totient is φ = 28007424.

The previous prime is 52613731. The next prime is 52613747. The reversal of 52613745 is 54731625.

It is not a de Polignac number, because 52613745 - 2⁵ = 52613713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52613747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5616 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (5271360).

Almost surely, 2^52613745 is an apocalyptic number.

It is an amenable number.

52613745 is a deficient number, since it is larger than the sum of its proper divisors (31728015).

52613745 is a wasteful number, since it uses less digits than its factorization.

52613745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664.

The product of its digits is 25200, while the sum is 33.

The square root of 52613745 is about 7253.5332769623. The cubic root of 52613745 is about 374.7138439170.

The spelling of 52613745 in words is "fifty-two million, six hundred thirteen thousand, seven hundred forty-five".