53520404626465 has 16 divisors (see below), whose sum is σ = 73771997916672. Its totient is φ = 36513413100864.

The previous prime is 53520404626459. The next prime is 53520404626523. The reversal of 53520404626465 is 56462640402535.

It is not a de Polignac number, because 53520404626465 - 2³ = 53520404626457 is a prime.

It is a super-2 number, since 2×53520404626465² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3881095689 + ... + 3881109478.

It is an arithmetic number, because the mean of its divisors is an integer number (4610749869792).

Almost surely, 2^{53520404626465} is an apocalyptic number.

It is an amenable number.

53520404626465 is a deficient number, since it is larger than the sum of its proper divisors (20251593290207).

53520404626465 is a wasteful number, since it uses less digits than its factorization.

53520404626465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762205376.

The product of its (nonzero) digits is 20736000, while the sum is 52.

The spelling of 53520404626465 in words is "fifty-three trillion, five hundred twenty billion, four hundred four million, six hundred twenty-six thousand, four hundred sixty-five".