53890031931 has 8 divisors (see below), whose sum is σ = 72151523664. Its totient is φ = 35777614080.

The previous prime is 53890031917. The next prime is 53890031969. The reversal of 53890031931 is 13913009835.

It is a happy number.

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

It is not a de Polignac number, because 53890031931 - 2¹³ = 53890023739 is a prime.

It is a super-2 number, since 2×53890031931² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53890031831) 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, 37267626 + ... + 37269071.

It is an arithmetic number, because the mean of its divisors is an integer number (9018940458).

Almost surely, 2^53890031931 is an apocalyptic number.

53890031931 is a deficient number, since it is larger than the sum of its proper divisors (18261491733).

53890031931 is a wasteful number, since it uses less digits than its factorization.

53890031931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74536941.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 53890031931 in words is "fifty-three billion, eight hundred ninety million, thirty-one thousand, nine hundred thirty-one".