52597980 has 72 divisors (see below), whose sum is σ = 161152992. Its totient is φ = 13885056.

The previous prime is 52597973. The next prime is 52597991. The reversal of 52597980 is 8979525.

It is a happy number.

52597980 is a `hidden beast` number, since 52 + 597 + 9 + 8 + 0 = 666.

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 23 ways as a sum of consecutive naturals, for example, 17122 + ... + 19958.

It is an arithmetic number, because the mean of its divisors is an integer number (2238236).

Almost surely, 2^52597980 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 52597980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80576496).

52597980 is an abundant number, since it is smaller than the sum of its proper divisors (108555012).

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

52597980 is a wasteful number, since it uses less digits than its factorization.

52597980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955 (or 2950 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 52597980 is about 7252.4464837736. The cubic root of 52597980 is about 374.6764141929.

The spelling of 52597980 in words is "fifty-two million, five hundred ninety-seven thousand, nine hundred eighty".