53720535522 has 8 divisors (see below), whose sum is σ = 107441071056. Its totient is φ = 17906845172.

The previous prime is 53720535493. The next prime is 53720535563. The reversal of 53720535522 is 22553502735.

53720535522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

53720535522 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4476711288 + ... + 4476711299.

It is an arithmetic number, because the mean of its divisors is an integer number (13430133882).

Almost surely, 2^53720535522 is an apocalyptic number.

53720535522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53720535522 is a wasteful number, since it uses less digits than its factorization.

53720535522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953422592.

The product of its (nonzero) digits is 315000, while the sum is 39.

The spelling of 53720535522 in words is "fifty-three billion, seven hundred twenty million, five hundred thirty-five thousand, five hundred twenty-two".