52749120 has 112 divisors (see below), whose sum is σ = 174833280. Its totient is φ = 13449216.

The previous prime is 52749119. The next prime is 52749131. The reversal of 52749120 is 2194725.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20886 + ... + 23274.

Almost surely, 2^52749120 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 52749120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87416640).

52749120 is an abundant number, since it is smaller than the sum of its proper divisors (122084160).

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

52749120 is a wasteful number, since it uses less digits than its factorization.

52749120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2422 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 52749120 is about 7262.8589412159. The cubic root of 52749120 is about 375.0349478541.

The spelling of 52749120 in words is "fifty-two million, seven hundred forty-nine thousand, one hundred twenty".