52574040 has 96 divisors (see below), whose sum is σ = 175528080. Its totient is φ = 13637376.

The previous prime is 52574023. The next prime is 52574051. The reversal of 52574040 is 4047525.

52574040 is a `hidden beast` number, since 5 + 257 + 404 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 52573995 and 52574013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11347 + ... + 15293.

Almost surely, 2^52574040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52574040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87764040).

52574040 is an abundant number, since it is smaller than the sum of its proper divisors (122954040).

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

52574040 is a wasteful number, since it uses less digits than its factorization.

52574040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001 (or 3994 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52574040 is about 7250.7958183912. The cubic root of 52574040 is about 374.6195608400.

The spelling of 52574040 in words is "fifty-two million, five hundred seventy-four thousand, forty".