52787592 has 128 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 14757120.

The previous prime is 52787557. The next prime is 52787621. The reversal of 52787592 is 29578725.

It is a happy number.

52787592 is a `hidden beast` number, since 52 + 7 + 8 + 7 + 592 = 666.

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, 30034 + ... + 31742.

It is an arithmetic number, because the mean of its divisors is an integer number (1346625).

Almost surely, 2^52787592 is an apocalyptic number.

52787592 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52787592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86184000).

52787592 is an abundant number, since it is smaller than the sum of its proper divisors (119580408).

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

52787592 is a wasteful number, since it uses less digits than its factorization.

52787592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748 (or 1738 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 52787592 is about 7265.5070022676. The cubic root of 52787592 is about 375.1261015910.

The spelling of 52787592 in words is "fifty-two million, seven hundred eighty-seven thousand, five hundred ninety-two".