52993980 has 96 divisors (see below), whose sum is σ = 177576000. Its totient is φ = 13042944.

The previous prime is 52993979. The next prime is 52994003. The reversal of 52993980 is 8939925.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3246 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (1849750).

Almost surely, 2^52993980 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 52993980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88788000).

52993980 is an abundant number, since it is smaller than the sum of its proper divisors (124582020).

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

52993980 is a wasteful number, since it uses less digits than its factorization.

52993980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580 (or 7572 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 52993980 is about 7279.6964222418. The cubic root of 52993980 is about 375.6143529715.

The spelling of 52993980 in words is "fifty-two million, nine hundred ninety-three thousand, nine hundred eighty".