55470358673 has 16 divisors (see below), whose sum is σ = 57569829840. Its totient is φ = 53418832896.

The previous prime is 55470358637. The next prime is 55470358693. The reversal of 55470358673 is 37685307455.

It can be written as a sum of positive squares in 8 ways, for example, as 3912752704 + 51557605969 = 62552^2 + 227063^2 .

It is a cyclic number.

It is not a de Polignac number, because 55470358673 - 2¹⁴ = 55470342289 is a prime.

It is a super-2 number, since 2×55470358673² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55470358633) 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, 603311 + ... + 689147.

It is an arithmetic number, because the mean of its divisors is an integer number (3598114365).

Almost surely, 2^55470358673 is an apocalyptic number.

55470358673 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55470358673 is a deficient number, since it is larger than the sum of its proper divisors (2099471167).

55470358673 is a wasteful number, since it uses less digits than its factorization.

55470358673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86116.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 55470358673 in words is "fifty-five billion, four hundred seventy million, three hundred fifty-eight thousand, six hundred seventy-three".