53315100 has 54 divisors (see below), whose sum is σ = 167116040. Its totient is φ = 14217120.

The previous prime is 53315069. The next prime is 53315117. The reversal of 53315100 is 151335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28720 + ... + 30519.

Almost surely, 2^53315100 is an apocalyptic number.

53315100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53315100 is an abundant number, since it is smaller than the sum of its proper divisors (113800940).

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

53315100 is a wasteful number, since it uses less digits than its factorization.

53315100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59259 (or 59249 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 53315100 is about 7301.7189756933. The cubic root of 53315100 is about 376.3715111042.

Adding to 53315100 its reverse (151335), we get a palindrome (53466435).

The spelling of 53315100 in words is "fifty-three million, three hundred fifteen thousand, one hundred".