557097798 has 8 divisors (see below), whose sum is σ = 1114195608. Its totient is φ = 185699264.

The previous prime is 557097773. The next prime is 557097817. The reversal of 557097798 is 897790755.

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

557097798 is an admirable number.

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, 46424811 + ... + 46424822.

It is an arithmetic number, because the mean of its divisors is an integer number (139274451).

Almost surely, 2^557097798 is an apocalyptic number.

557097798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557097798 is a wasteful number, since it uses less digits than its factorization.

557097798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92849638.

The product of its (nonzero) digits is 5556600, while the sum is 57.

The square root of 557097798 is about 23602.9192685990. The cubic root of 557097798 is about 822.8306880050.

The spelling of 557097798 in words is "five hundred fifty-seven million, ninety-seven thousand, seven hundred ninety-eight".