55520713995 has 32 divisors (see below), whose sum is σ = 90054720000. Its totient is φ = 29205057024.

The previous prime is 55520713957. The next prime is 55520713999. The reversal of 55520713995 is 59931702555.

It is not a de Polignac number, because 55520713995 - 2¹⁴ = 55520697611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55520713999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708531 + ... + 782979.

It is an arithmetic number, because the mean of its divisors is an integer number (2814210000).

Almost surely, 2^55520713995 is an apocalyptic number.

55520713995 is a deficient number, since it is larger than the sum of its proper divisors (34534006005).

55520713995 is a wasteful number, since it uses less digits than its factorization.

55520713995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75139.

The product of its (nonzero) digits is 2126250, while the sum is 51.

The spelling of 55520713995 in words is "fifty-five billion, five hundred twenty million, seven hundred thirteen thousand, nine hundred ninety-five".