53704147722021 has 8 divisors (see below), whose sum is σ = 79561700328960. Its totient is φ = 35802765147996.

The previous prime is 53704147722007. The next prime is 53704147722061. The reversal of 53704147722021 is 12022774140735.

53704147722021 is a `hidden beast` number, since 5 + 3 + 7 + 0 + 414 + 7 + 7 + 220 + 2 + 1 = 666.

It is not a de Polignac number, because 53704147722021 - 2³⁰ = 53703073980197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53704147722061) 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, 994521254085 + ... + 994521254138.

It is an arithmetic number, because the mean of its divisors is an integer number (9945212541120).

Almost surely, 2^{53704147722021} is an apocalyptic number.

It is an amenable number.

53704147722021 is a deficient number, since it is larger than the sum of its proper divisors (25857552606939).

53704147722021 is a wasteful number, since it uses less digits than its factorization.

53704147722021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989042508232 (or 1989042508226 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 53704147722021 in words is "fifty-three trillion, seven hundred four billion, one hundred forty-seven million, seven hundred twenty-two thousand, twenty-one".