55919860054 has 8 divisors (see below), whose sum is σ = 83965123440. Its totient is φ = 27931485576.

The previous prime is 55919860001. The next prime is 55919860133. The reversal of 55919860054 is 45006891955.

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

It is a junction number, because it is equal to n+sod(n) for n = 55919859983 and 55919860010.

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, 14219769 + ... + 14223700.

It is an arithmetic number, because the mean of its divisors is an integer number (10495640430).

Almost surely, 2^55919860054 is an apocalyptic number.

55919860054 is a deficient number, since it is larger than the sum of its proper divisors (28045263386).

55919860054 is a wasteful number, since it uses less digits than its factorization.

55919860054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28444454.

The product of its (nonzero) digits is 1944000, while the sum is 52.

The spelling of 55919860054 in words is "fifty-five billion, nine hundred nineteen million, eight hundred sixty thousand, fifty-four".