55451442055 has 8 divisors (see below), whose sum is σ = 66794742432. Its totient is φ = 44192479008.

The previous prime is 55451442037. The next prime is 55451442071. The reversal of 55451442055 is 55024415455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55451442055 - 2²³ = 55443053447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55451441999 and 55451442017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21082884 + ... + 21085513.

It is an arithmetic number, because the mean of its divisors is an integer number (8349342804).

Almost surely, 2^55451442055 is an apocalyptic number.

55451442055 is a deficient number, since it is larger than the sum of its proper divisors (11343300377).

55451442055 is a wasteful number, since it uses less digits than its factorization.

55451442055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42168665.

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 55451442055 in words is "fifty-five billion, four hundred fifty-one million, four hundred forty-two thousand, fifty-five".