52157900 has 36 divisors (see below), whose sum is σ = 113794800. Its totient is φ = 20750400.

The previous prime is 52157891. The next prime is 52157909. The reversal of 52157900 is 975125.

It is an interprime number because it is at equal distance from previous prime (52157891) and next prime (52157909).

It is not an unprimeable number, because it can be changed into a prime (52157909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18590 + ... + 21210.

Almost surely, 2^52157900 is an apocalyptic number.

52157900 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 52157900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56897400).

52157900 is an abundant number, since it is smaller than the sum of its proper divisors (61636900).

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

52157900 is a wasteful number, since it uses less digits than its factorization.

52157900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 52157900 is about 7222.0426473402. The cubic root of 52157900 is about 373.6285310499.

The spelling of 52157900 in words is "fifty-two million, one hundred fifty-seven thousand, nine hundred".