52138148800 has 84 divisors (see below), whose sum is σ = 132716427480. Its totient is φ = 20136094720.

The previous prime is 52138148789. The next prime is 52138148813. The reversal of 52138148800 is 884183125.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515434 + ... + 608233.

It is an arithmetic number, because the mean of its divisors is an integer number (1579957470).

Almost surely, 2^52138148800 is an apocalyptic number.

52138148800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52138148800 is an abundant number, since it is smaller than the sum of its proper divisors (80578278680).

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

52138148800 is a wasteful number, since it uses less digits than its factorization.

52138148800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123718 (or 1123703 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 52138148800 in words is "fifty-two billion, one hundred thirty-eight million, one hundred forty-eight thousand, eight hundred".