52442880 has 144 divisors (see below), whose sum is σ = 191514624. Its totient is φ = 11980800.

The previous prime is 52442879. The next prime is 52442911. The reversal of 52442880 is 8824425.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 25905 + ... + 27855.

Almost surely, 2^52442880 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 52442880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95757312).

52442880 is an abundant number, since it is smaller than the sum of its proper divisors (139071744).

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

52442880 is a wasteful number, since it uses less digits than its factorization.

52442880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 52442880 is about 7241.7456459061. The cubic root of 52442880 is about 374.3077718624.

The spelling of 52442880 in words is "fifty-two million, four hundred forty-two thousand, eight hundred eighty".