52379880 has 128 divisors (see below), whose sum is σ = 181370880. Its totient is φ = 11854080.

The previous prime is 52379849. The next prime is 52379881. The reversal of 52379880 is 8897325.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (52379881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106435 + ... + 106925.

It is an arithmetic number, because the mean of its divisors is an integer number (1416960).

Almost surely, 2^52379880 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 52379880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90685440).

52379880 is an abundant number, since it is smaller than the sum of its proper divisors (128991000).

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

52379880 is a wasteful number, since it uses less digits than its factorization.

52379880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 52379880 is about 7237.3945588174. The cubic root of 52379880 is about 374.1578256176.

The spelling of 52379880 in words is "fifty-two million, three hundred seventy-nine thousand, eight hundred eighty".