52545924 has 18 divisors (see below), whose sum is σ = 132824510. Its totient is φ = 17515296.

The previous prime is 52545917. The next prime is 52545937. The reversal of 52545924 is 42954525.

52545924 is a `hidden beast` number, since 525 + 45 + 92 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45158400 + 7387524 = 6720^2 + 2718^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×52545924² = 5522148258027552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1459609 = 52545924 / (5 + 2 + 5 + 4 + 5 + 9 + 2 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729769 + ... + 729840.

Almost surely, 2^52545924 is an apocalyptic number.

It is an amenable number.

52545924 is an abundant number, since it is smaller than the sum of its proper divisors (80278586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52545924 is a wasteful number, since it uses less digits than its factorization.

52545924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459619 (or 1459614 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 52545924 is about 7248.8567374449. The cubic root of 52545924 is about 374.5527681685.

The spelling of 52545924 in words is "fifty-two million, five hundred forty-five thousand, nine hundred twenty-four".