55247510065 has 16 divisors (see below), whose sum is σ = 75468537216. Its totient is φ = 38433049600.

The previous prime is 55247510009. The next prime is 55247510069. The reversal of 55247510065 is 56001574255.

It is not a de Polignac number, because 55247510065 - 2⁷ = 55247509937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55247510069) 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, 21835696 + ... + 21838225.

It is an arithmetic number, because the mean of its divisors is an integer number (4716783576).

Almost surely, 2^55247510065 is an apocalyptic number.

55247510065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55247510065 is a deficient number, since it is larger than the sum of its proper divisors (20221027151).

55247510065 is a wasteful number, since it uses less digits than its factorization.

55247510065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43673960.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 55247510065 in words is "fifty-five billion, two hundred forty-seven million, five hundred ten thousand, sixty-five".