53573516499 has 16 divisors (see below), whose sum is σ = 71882580224. Its totient is φ = 35490376800.

The previous prime is 53573516443. The next prime is 53573516527. The reversal of 53573516499 is 99461537535.

It is not a de Polignac number, because 53573516499 - 2⁹ = 53573515987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53573556499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662802 + ... + 739224.

It is an arithmetic number, because the mean of its divisors is an integer number (4492661264).

Almost surely, 2^53573516499 is an apocalyptic number.

53573516499 is a deficient number, since it is larger than the sum of its proper divisors (18309063725).

53573516499 is a wasteful number, since it uses less digits than its factorization.

53573516499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77898.

The product of its digits is 15309000, while the sum is 57.

The spelling of 53573516499 in words is "fifty-three billion, five hundred seventy-three million, five hundred sixteen thousand, four hundred ninety-nine".