52631280 has 120 divisors (see below), whose sum is σ = 190383648. Its totient is φ = 12953088.

The previous prime is 52631261. The next prime is 52631339. The reversal of 52631280 is 8213625.

52631280 is a `hidden beast` number, since 5 + 2 + 631 + 28 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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, 6549 + ... + 12171.

Almost surely, 2^52631280 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 52631280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95191824).

52631280 is an abundant number, since it is smaller than the sum of its proper divisors (137752368).

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

52631280 is a wasteful number, since it uses less digits than its factorization.

52631280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655 (or 5646 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52631280 is about 7254.7418975454. The cubic root of 52631280 is about 374.7554672446.

The spelling of 52631280 in words is "fifty-two million, six hundred thirty-one thousand, two hundred eighty".