53521704267625 has 32 divisors (see below), whose sum is σ = 73026815606784. Its totient is φ = 38839700592000.

The previous prime is 53521704267569. The next prime is 53521704267631. The reversal of 53521704267625 is 52676240712535.

It is not a de Polignac number, because 53521704267625 - 2⁷ = 53521704267497 is a prime.

It is a super-2 number, since 2×53521704267625² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41959017 + ... + 43215766.

It is an arithmetic number, because the mean of its divisors is an integer number (2282087987712).

Almost surely, 2^{53521704267625} is an apocalyptic number.

53521704267625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53521704267625 is a deficient number, since it is larger than the sum of its proper divisors (19505111339159).

53521704267625 is a wasteful number, since it uses less digits than its factorization.

53521704267625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85175266 (or 85175256 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 53521704267625 in words is "fifty-three trillion, five hundred twenty-one billion, seven hundred four million, two hundred sixty-seven thousand, six hundred twenty-five".