55186806045 has 16 divisors (see below), whose sum is σ = 100913016960. Its totient is φ = 25228254144.

The previous prime is 55186806043. The next prime is 55186806047. The reversal of 55186806045 is 54060868155.

It is an interprime number because it is at equal distance from previous prime (55186806043) and next prime (55186806047).

It is not a de Polignac number, because 55186806045 - 2¹ = 55186806043 is a prime.

It is a super-2 number, since 2×55186806045² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55186805985 and 55186806003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55186806043) 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, 262794210 + ... + 262794419.

It is an arithmetic number, because the mean of its divisors is an integer number (6307063560).

Almost surely, 2^55186806045 is an apocalyptic number.

It is an amenable number.

55186806045 is a deficient number, since it is larger than the sum of its proper divisors (45726210915).

55186806045 is a wasteful number, since it uses less digits than its factorization.

55186806045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525588644.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 55186806045 in words is "fifty-five billion, one hundred eighty-six million, eight hundred six thousand, forty-five".