52749504 has 84 divisors (see below), whose sum is σ = 160120584. Its totient is φ = 16545792.

The previous prime is 52749497. The next prime is 52749509. The reversal of 52749504 is 40594725.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52749509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7099 + ... + 12485.

Almost surely, 2^52749504 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 52749504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80060292).

52749504 is an abundant number, since it is smaller than the sum of its proper divisors (107371080).

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

52749504 is a wasteful number, since it uses less digits than its factorization.

52749504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422 (or 5409 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 52749504 is about 7262.8853770385. The cubic root of 52749504 is about 375.0358579045.

The spelling of 52749504 in words is "fifty-two million, seven hundred forty-nine thousand, five hundred four".