55165357485 has 96 divisors (see below), whose sum is σ = 110585899008. Its totient is φ = 24918192000.

The previous prime is 55165357483. The next prime is 55165357487. The reversal of 55165357485 is 58475356155.

55165357485 is a `hidden beast` number, since 5 + 5 + 1 + 65 + 3 + 574 + 8 + 5 = 666.

55165357485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55165357483) and next prime (55165357487).

It is not a de Polignac number, because 55165357485 - 2¹ = 55165357483 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55165357483) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16967110 + ... + 16970360.

It is an arithmetic number, because the mean of its divisors is an integer number (1151936448).

Almost surely, 2^55165357485 is an apocalyptic number.

It is an amenable number.

55165357485 is an abundant number, since it is smaller than the sum of its proper divisors (55420541523).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55165357485 is a wasteful number, since it uses less digits than its factorization.

55165357485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895 (or 3892 counting only the distinct ones).

The product of its digits is 12600000, while the sum is 54.

The spelling of 55165357485 in words is "fifty-five billion, one hundred sixty-five million, three hundred fifty-seven thousand, four hundred eighty-five".