52574428 has 12 divisors (see below), whose sum is σ = 93565080. Its totient is φ = 25841552.

The previous prime is 52574411. The next prime is 52574429. The reversal of 52574428 is 82447525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52574429) 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, 111151 + ... + 111622.

It is an arithmetic number, because the mean of its divisors is an integer number (7797090).

Almost surely, 2^52574428 is an apocalyptic number.

It is an amenable number.

52574428 is a deficient number, since it is larger than the sum of its proper divisors (40990652).

52574428 is a wasteful number, since it uses less digits than its factorization.

52574428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222836 (or 222834 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 52574428 is about 7250.8225740257. The cubic root of 52574428 is about 374.6204824103.

The spelling of 52574428 in words is "fifty-two million, five hundred seventy-four thousand, four hundred twenty-eight".