53173100 has 18 divisors (see below), whose sum is σ = 115385844. Its totient is φ = 21269200.

The previous prime is 53173073. The next prime is 53173111. The reversal of 53173100 is 137135.

It is a happy number.

It is a super-2 number, since 2×53173100² = 5654757127220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265766 + ... + 265965.

Almost surely, 2^53173100 is an apocalyptic number.

53173100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53173100 is an abundant number, since it is smaller than the sum of its proper divisors (62212744).

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

53173100 is a wasteful number, since it uses less digits than its factorization.

53173100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531745 (or 531738 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 53173100 is about 7291.9887547911. The cubic root of 53173100 is about 376.0370700587.

The spelling of 53173100 in words is "fifty-three million, one hundred seventy-three thousand, one hundred".