53757131 has 4 divisors (see below), whose sum is σ = 55491264. Its totient is φ = 52023000.

The previous prime is 53757107. The next prime is 53757139. The reversal of 53757131 is 13175735.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53757131 - 2¹⁴ = 53740747 is a prime.

It is a super-2 number, since 2×53757131² = 5779658266702322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53757139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867020 + ... + 867081.

It is an arithmetic number, because the mean of its divisors is an integer number (13872816).

Almost surely, 2^53757131 is an apocalyptic number.

53757131 is a deficient number, since it is larger than the sum of its proper divisors (1734133).

53757131 is a wasteful number, since it uses less digits than its factorization.

53757131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734132.

The product of its digits is 11025, while the sum is 32.

The square root of 53757131 is about 7331.9254633418. The cubic root of 53757131 is about 377.4088044844.

The spelling of 53757131 in words is "fifty-three million, seven hundred fifty-seven thousand, one hundred thirty-one".