53551240015 has 32 divisors (see below), whose sum is σ = 80583382656. Its totient is φ = 33256604160.

The previous prime is 53551239977. The next prime is 53551240033. The reversal of 53551240015 is 51004215535.

It is not a de Polignac number, because 53551240015 - 2¹⁷ = 53551108943 is a prime.

It is a congruent number.

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, 1086216 + ... + 1134445.

It is an arithmetic number, because the mean of its divisors is an integer number (2518230708).

Almost surely, 2^53551240015 is an apocalyptic number.

53551240015 is a deficient number, since it is larger than the sum of its proper divisors (27032142641).

53551240015 is a wasteful number, since it uses less digits than its factorization.

53551240015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220739.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 53551240015 in words is "fifty-three billion, five hundred fifty-one million, two hundred forty thousand, fifteen".