53972665254 has 32 divisors (see below), whose sum is σ = 126994508640. Its totient is φ = 16932600576.

The previous prime is 53972665231. The next prime is 53972665273. The reversal of 53972665254 is 45256627935.

It is a happy number.

53972665254 is a `hidden beast` number, since 5 + 3 + 97 + 26 + 6 + 525 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53972665254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29395959 + ... + 29397794.

It is an arithmetic number, because the mean of its divisors is an integer number (3968578395).

Almost surely, 2^53972665254 is an apocalyptic number.

53972665254 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53972665254 is an abundant number, since it is smaller than the sum of its proper divisors (73021843386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53972665254 is a wasteful number, since it uses less digits than its factorization.

53972665254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58793781 (or 58793775 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 54.

The spelling of 53972665254 in words is "fifty-three billion, nine hundred seventy-two million, six hundred sixty-five thousand, two hundred fifty-four".