53113750 has 20 divisors (see below), whose sum is σ = 99558756. Its totient is φ = 21245000.

The previous prime is 53113733. The next prime is 53113769. The reversal of 53113750 is 5731135.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19996 + ... + 22495.

Almost surely, 2^53113750 is an apocalyptic number.

53113750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53113750 is a deficient number, since it is larger than the sum of its proper divisors (46445006).

53113750 is an equidigital number, since it uses as much as digits as its factorization.

53113750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42513 (or 42498 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 53113750 is about 7287.9180840621. The cubic root of 53113750 is about 375.8971113909.

Adding to 53113750 its reverse (5731135), we get a palindrome (58844885).

The spelling of 53113750 in words is "fifty-three million, one hundred thirteen thousand, seven hundred fifty".