53138031 has 16 divisors (see below), whose sum is σ = 72989184. Its totient is φ = 34362144.

The previous prime is 53138021. The next prime is 53138069. The reversal of 53138031 is 13083135.

It is not a de Polignac number, because 53138031 - 2⁶ = 53137967 is a prime.

It is a super-2 number, since 2×53138031² = 5647300677113922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53137992 and 53138010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53138021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53566 + ... + 54548.

It is an arithmetic number, because the mean of its divisors is an integer number (4561824).

Almost surely, 2^53138031 is an apocalyptic number.

53138031 is a deficient number, since it is larger than the sum of its proper divisors (19851153).

53138031 is a wasteful number, since it uses less digits than its factorization.

53138031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 53138031 is about 7289.5837329713. The cubic root of 53138031 is about 375.9543832354.

The spelling of 53138031 in words is "fifty-three million, one hundred thirty-eight thousand, thirty-one".