53521167754465 has 8 divisors (see below), whose sum is σ = 65591899205760. Its totient is φ = 41905935603312.

The previous prime is 53521167754459. The next prime is 53521167754511. The reversal of 53521167754465 is 56445776112535.

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 53521167754465 - 2⁷ = 53521167754337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113874824775 + ... + 113874825244.

It is an arithmetic number, because the mean of its divisors is an integer number (8198987400720).

Almost surely, 2^{53521167754465} is an apocalyptic number.

It is an amenable number.

53521167754465 is a deficient number, since it is larger than the sum of its proper divisors (12070731451295).

53521167754465 is a wasteful number, since it uses less digits than its factorization.

53521167754465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227749650071.

The product of its digits is 105840000, while the sum is 61.

The spelling of 53521167754465 in words is "fifty-three trillion, five hundred twenty-one billion, one hundred sixty-seven million, seven hundred fifty-four thousand, four hundred sixty-five".