55054999990 has 8 divisors (see below), whose sum is σ = 99099000000. Its totient is φ = 22021999992.

The previous prime is 55054999981. The next prime is 55055000003. The reversal of 55054999990 is 9999945055.

It is a happy number.

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

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, 2752749990 + ... + 2752750009.

It is an arithmetic number, because the mean of its divisors is an integer number (12387375000).

Almost surely, 2^55054999990 is an apocalyptic number.

55054999990 is a deficient number, since it is larger than the sum of its proper divisors (44044000010).

55054999990 is a wasteful number, since it uses less digits than its factorization.

55054999990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505500006.

The product of its (nonzero) digits is 29524500, while the sum is 64.

The spelling of 55054999990 in words is "fifty-five billion, fifty-four million, nine hundred ninety-nine thousand, nine hundred ninety".