52720762757 has 8 divisors (see below), whose sum is σ = 57184669920. Its totient is φ = 48315207600.

The previous prime is 52720762751. The next prime is 52720762781. The reversal of 52720762757 is 75726702725.

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

It is a cyclic number.

It is not a de Polignac number, because 52720762757 - 2⁴ = 52720762741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52720762751) 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, 14586119 + ... + 14589732.

It is an arithmetic number, because the mean of its divisors is an integer number (7148083740).

Almost surely, 2^52720762757 is an apocalyptic number.

It is an amenable number.

52720762757 is a deficient number, since it is larger than the sum of its proper divisors (4463907163).

52720762757 is a wasteful number, since it uses less digits than its factorization.

52720762757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29176003.

The product of its (nonzero) digits is 2881200, while the sum is 50.

The spelling of 52720762757 in words is "fifty-two billion, seven hundred twenty million, seven hundred sixty-two thousand, seven hundred fifty-seven".