55057622454 has 48 divisors (see below), whose sum is σ = 124450679808. Its totient is φ = 18242618472.

The previous prime is 55057622437. The next prime is 55057622507. The reversal of 55057622454 is 45422675055.

55057622454 is a `hidden beast` number, since 5 + 5 + 0 + 576 + 2 + 24 + 54 = 666.

55057622454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258022 + ... + 420345.

It is an arithmetic number, because the mean of its divisors is an integer number (2592722496).

Almost surely, 2^55057622454 is an apocalyptic number.

55057622454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55057622454 is an abundant number, since it is smaller than the sum of its proper divisors (69393057354).

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

55057622454 is a wasteful number, since it uses less digits than its factorization.

55057622454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678551 (or 678539 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 45.

The spelling of 55057622454 in words is "fifty-five billion, fifty-seven million, six hundred twenty-two thousand, four hundred fifty-four".