53015031 has 6 divisors (see below), whose sum is σ = 76577280. Its totient is φ = 35343348.

The previous prime is 53015029. The next prime is 53015041. The reversal of 53015031 is 13051035.

It is a happy number.

It is not a de Polignac number, because 53015031 - 2¹ = 53015029 is a prime.

It is a super-2 number, since 2×53015031² = 5621187023861922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53014995 and 53015013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53015041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2945271 + ... + 2945288.

It is an arithmetic number, because the mean of its divisors is an integer number (12762880).

Almost surely, 2^53015031 is an apocalyptic number.

53015031 is a deficient number, since it is larger than the sum of its proper divisors (23562249).

53015031 is a wasteful number, since it uses less digits than its factorization.

53015031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890565 (or 5890562 counting only the distinct ones).

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

The square root of 53015031 is about 7281.1421494158. The cubic root of 53015031 is about 375.6640819595.

Adding to 53015031 its reverse (13051035), we get a palindrome (66066066).

The spelling of 53015031 in words is "fifty-three million, fifteen thousand, thirty-one".