55622277894 has 8 divisors (see below), whose sum is σ = 111244555800. Its totient is φ = 18540759296.

The previous prime is 55622277889. The next prime is 55622277937. The reversal of 55622277894 is 49877222655.

55622277894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

55622277894 is an admirable number.

It is a super-2 number, since 2×55622277894² (a number of 22 digits) contains 22 as substring.

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, 4635189819 + ... + 4635189830.

It is an arithmetic number, because the mean of its divisors is an integer number (13905569475).

Almost surely, 2^55622277894 is an apocalyptic number.

55622277894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55622277894 is a wasteful number, since it uses less digits than its factorization.

55622277894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270379654.

The product of its digits is 16934400, while the sum is 57.

The spelling of 55622277894 in words is "fifty-five billion, six hundred twenty-two million, two hundred seventy-seven thousand, eight hundred ninety-four".