53764856257 has 8 divisors (see below), whose sum is σ = 61544820800. Its totient is φ = 46009709424.

The previous prime is 53764856239. The next prime is 53764856261. The reversal of 53764856257 is 75265846735.

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 53764856257 - 2⁷ = 53764856129 is a prime.

It is the 231873-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53764856207) by changing a digit.

It is a nontrivial repunit in base 231872.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6199782 + ... + 6208447.

It is an arithmetic number, because the mean of its divisors is an integer number (7693102600).

Almost surely, 2^53764856257 is an apocalyptic number.

It is an amenable number.

53764856257 is a deficient number, since it is larger than the sum of its proper divisors (7779964543).

53764856257 is a wasteful number, since it uses less digits than its factorization.

53764856257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408855.

The product of its digits is 42336000, while the sum is 58.

The spelling of 53764856257 in words is "fifty-three billion, seven hundred sixty-four million, eight hundred fifty-six thousand, two hundred fifty-seven".