55451400055 has 4 divisors (see below), whose sum is σ = 66541680072. Its totient is φ = 44361120040.

The previous prime is 55451400029. The next prime is 55451400061. The reversal of 55451400055 is 55000415455.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55451400055 - 2¹¹ = 55451398007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5545140001 + ... + 5545140010.

It is an arithmetic number, because the mean of its divisors is an integer number (16635420018).

Almost surely, 2^55451400055 is an apocalyptic number.

55451400055 is a deficient number, since it is larger than the sum of its proper divisors (11090280017).

55451400055 is a wasteful number, since it uses less digits than its factorization.

55451400055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090280016.

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 55451400055 in words is "fifty-five billion, four hundred fifty-one million, four hundred thousand, fifty-five".