52787717400 has 96 divisors (see below), whose sum is σ = 178518484800. Its totient is φ = 12797020800.

The previous prime is 52787717387. The next prime is 52787717413. The reversal of 52787717400 is 471778725.

It is an interprime number because it is at equal distance from previous prime (52787717387) and next prime (52787717413).

It is a self number, because there is not a number n which added to its sum of digits gives 52787717400.

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, 3992470 + ... + 4005669.

It is an arithmetic number, because the mean of its divisors is an integer number (1859567550).

Almost surely, 2^52787717400 is an apocalyptic number.

52787717400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52787717400 is an abundant number, since it is smaller than the sum of its proper divisors (125730767400).

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

52787717400 is a wasteful number, since it uses less digits than its factorization.

52787717400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998169 (or 7998160 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 48.

The spelling of 52787717400 in words is "fifty-two billion, seven hundred eighty-seven million, seven hundred seventeen thousand, four hundred".