55298222257 has 8 divisors (see below), whose sum is σ = 55554408000. Its totient is φ = 55042622064.

The previous prime is 55298222227. The next prime is 55298222281. The reversal of 55298222257 is 75222289255.

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

It is a cyclic number.

It is not a de Polignac number, because 55298222257 - 2¹⁹ = 55297697969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55298222257.

It is not an unprimeable number, because it can be changed into a prime (55298222227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43494 + ... + 335392.

It is an arithmetic number, because the mean of its divisors is an integer number (6944301000).

Almost surely, 2^55298222257 is an apocalyptic number.

It is an amenable number.

55298222257 is a deficient number, since it is larger than the sum of its proper divisors (256185743).

55298222257 is a wasteful number, since it uses less digits than its factorization.

55298222257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292775.

The product of its digits is 2016000, while the sum is 49.

The spelling of 55298222257 in words is "fifty-five billion, two hundred ninety-eight million, two hundred twenty-two thousand, two hundred fifty-seven".