55554992 has 20 divisors (see below), whose sum is σ = 107942496. Its totient is φ = 27698880.

The previous prime is 55554953. The next prime is 55555001. The reversal of 55554992 is 29945555.

It is a super-2 number, since 2×55554992² = 6172714272240128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 1142 + ... + 10602.

Almost surely, 2^55554992 is an apocalyptic number.

It is an amenable number.

55554992 is a deficient number, since it is larger than the sum of its proper divisors (52387504).

55554992 is a wasteful number, since it uses less digits than its factorization.

55554992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9836 (or 9830 counting only the distinct ones).

The product of its digits is 405000, while the sum is 44.

The square root of 55554992 is about 7453.5221204475. The cubic root of 55554992 is about 381.5701239599.

The spelling of 55554992 in words is "fifty-five million, five hundred fifty-four thousand, nine hundred ninety-two".