53118463631 has 8 divisors (see below), whose sum is σ = 53249079840. Its totient is φ = 52988005728.

The previous prime is 53118463583. The next prime is 53118463679. The reversal of 53118463631 is 13636481135.

It is an interprime number because it is at equal distance from previous prime (53118463583) and next prime (53118463679).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53118463631 is a prime.

It is a super-2 number, since 2×53118463631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53118463331) 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, 646865 + ... + 724341.

It is an arithmetic number, because the mean of its divisors is an integer number (6656134980).

Almost surely, 2^53118463631 is an apocalyptic number.

53118463631 is a deficient number, since it is larger than the sum of its proper divisors (130616209).

53118463631 is an equidigital number, since it uses as much as digits as its factorization.

53118463631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79153.

The product of its digits is 155520, while the sum is 41.

The spelling of 53118463631 in words is "fifty-three billion, one hundred eighteen million, four hundred sixty-three thousand, six hundred thirty-one".