52494945 has 32 divisors (see below), whose sum is σ = 85895040. Its totient is φ = 27371520.

The previous prime is 52494943. The next prime is 52494961. The reversal of 52494945 is 54949425.

It is not a de Polignac number, because 52494945 - 2¹ = 52494943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52494897 and 52494906.

It is not an unprimeable number, because it can be changed into a prime (52494943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158430 + ... + 158760.

It is an arithmetic number, because the mean of its divisors is an integer number (2684220).

Almost surely, 2^52494945 is an apocalyptic number.

It is an amenable number.

52494945 is a deficient number, since it is larger than the sum of its proper divisors (33400095).

52494945 is a wasteful number, since it uses less digits than its factorization.

52494945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its digits is 259200, while the sum is 42.

The square root of 52494945 is about 7245.3395365573. The cubic root of 52494945 is about 374.4316011181.

The spelling of 52494945 in words is "fifty-two million, four hundred ninety-four thousand, nine hundred forty-five".