53909360994815 has 8 divisors (see below), whose sum is σ = 64694310484608. Its totient is φ = 43125437268640.

The previous prime is 53909360994803. The next prime is 53909360994851. The reversal of 53909360994815 is 51849906390935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53909360994815 - 2⁶ = 53909360994751 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 256325276 + ... + 256535505.

It is an arithmetic number, because the mean of its divisors is an integer number (8086788810576).

Almost surely, 2^{53909360994815} is an apocalyptic number.

53909360994815 is a deficient number, since it is larger than the sum of its proper divisors (10784949489793).

53909360994815 is a wasteful number, since it uses less digits than its factorization.

53909360994815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512881809.

The product of its (nonzero) digits is 283435200, while the sum is 71.

The spelling of 53909360994815 in words is "fifty-three trillion, nine hundred nine billion, three hundred sixty million, nine hundred ninety-four thousand, eight hundred fifteen".