520057800 has 192 divisors, whose sum is σ = 1804200000. Its totient is φ = 137687040.

The previous prime is 520057799. The next prime is 520057823. The reversal of 520057800 is 8750025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1041951 + ... + 1042449.

It is an arithmetic number, because the mean of its divisors is an integer number (9396875).

Almost surely, 2^520057800 is an apocalyptic number.

520057800 is a gapful number since it is divisible by the number (50) 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 520057800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902100000).

520057800 is an abundant number, since it is smaller than the sum of its proper divisors (1284142200).

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

520057800 is a wasteful number, since it uses less digits than its factorization.

520057800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 520057800 is about 22804.7758156049. The cubic root of 520057800 is about 804.1749452228.

The spelling of 520057800 in words is "five hundred twenty million, fifty-seven thousand, eight hundred".