53140031 has 8 divisors (see below), whose sum is σ = 61414560. Its totient is φ = 45036288.

The previous prime is 53140027. The next prime is 53140049. The reversal of 53140031 is 13004135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53140031 - 2² = 53140027 is a prime.

It is a super-2 number, since 2×53140031² = 5647725789361922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53139991 and 53140009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53140001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42026 + ... + 43271.

It is an arithmetic number, because the mean of its divisors is an integer number (7676820).

Almost surely, 2^53140031 is an apocalyptic number.

53140031 is a deficient number, since it is larger than the sum of its proper divisors (8274529).

53140031 is an equidigital number, since it uses as much as digits as its factorization.

53140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85393.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 53140031 is about 7289.7209137250. The cubic root of 53140031 is about 375.9590998782.

Adding to 53140031 its reverse (13004135), we get a palindrome (66144166).

The spelling of 53140031 in words is "fifty-three million, one hundred forty thousand, thirty-one".