53971913751 has 16 divisors (see below), whose sum is σ = 82502367744. Its totient is φ = 30743799264.

The previous prime is 53971913719. The next prime is 53971913759. The reversal of 53971913751 is 15731917935.

It is a happy number.

It is not a de Polignac number, because 53971913751 - 2⁵ = 53971913719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53971913694 and 53971913703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53971913759) 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, 4047115 + ... + 4060428.

It is an arithmetic number, because the mean of its divisors is an integer number (5156397984).

Almost surely, 2^53971913751 is an apocalyptic number.

53971913751 is a deficient number, since it is larger than the sum of its proper divisors (28530453993).

53971913751 is a wasteful number, since it uses less digits than its factorization.

53971913751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107870.

The product of its digits is 893025, while the sum is 51.

The spelling of 53971913751 in words is "fifty-three billion, nine hundred seventy-one million, nine hundred thirteen thousand, seven hundred fifty-one".