53157900 has 72 divisors (see below), whose sum is σ = 157993360. Its totient is φ = 13789440.

The previous prime is 53157869. The next prime is 53157911. The reversal of 53157900 is 975135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8706 + ... + 13494.

Almost surely, 2^53157900 is an apocalyptic number.

53157900 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 53157900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78996680).

53157900 is an abundant number, since it is smaller than the sum of its proper divisors (104835460).

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

53157900 is a wasteful number, since it uses less digits than its factorization.

53157900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 53157900 is about 7290.9464406207. The cubic root of 53157900 is about 376.0012354720.

The spelling of 53157900 in words is "fifty-three million, one hundred fifty-seven thousand, nine hundred".