53993790515 has 32 divisors (see below), whose sum is σ = 74909491200. Its totient is φ = 36595689984.

The previous prime is 53993790481. The next prime is 53993790541. The reversal of 53993790515 is 51509739935.

It is a happy number.

53993790515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53993790515 - 2⁶ = 53993790451 is a prime.

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, 1432886 + ... + 1470084.

It is an arithmetic number, because the mean of its divisors is an integer number (2340921600).

Almost surely, 2^53993790515 is an apocalyptic number.

53993790515 is a deficient number, since it is larger than the sum of its proper divisors (20915700685).

53993790515 is a wasteful number, since it uses less digits than its factorization.

53993790515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37691.

The product of its (nonzero) digits is 5740875, while the sum is 56.

The spelling of 53993790515 in words is "fifty-three billion, nine hundred ninety-three million, seven hundred ninety thousand, five hundred fifteen".