55122998 has 8 divisors (see below), whose sum is σ = 94496592. Its totient is φ = 23624136.

The previous prime is 55122989. The next prime is 55123001. The reversal of 55122998 is 89922155.

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, 1968665 + ... + 1968692.

It is an arithmetic number, because the mean of its divisors is an integer number (11812074).

Almost surely, 2^55122998 is an apocalyptic number.

55122998 is a deficient number, since it is larger than the sum of its proper divisors (39373594).

55122998 is a wasteful number, since it uses less digits than its factorization.

55122998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937366.

The product of its digits is 64800, while the sum is 41.

The square root of 55122998 is about 7424.4863795417. The cubic root of 55122998 is about 380.5785232243.

The spelling of 55122998 in words is "fifty-five million, one hundred twenty-two thousand, nine hundred ninety-eight".