557701620 has 96 divisors (see below), whose sum is σ = 1789820928. Its totient is φ = 127105152.

The previous prime is 557701619. The next prime is 557701633. The reversal of 557701620 is 26107755.

It is a super-2 number, since 2×557701620² = 622062193901248800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159127 + ... + 162593.

It is an arithmetic number, because the mean of its divisors is an integer number (18643968).

Almost surely, 2^557701620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557701620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894910464).

557701620 is an abundant number, since it is smaller than the sum of its proper divisors (1232119308).

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

557701620 is a wasteful number, since it uses less digits than its factorization.

557701620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 557701620 is about 23615.7070611913. The cubic root of 557701620 is about 823.1278613659.

The spelling of 557701620 in words is "five hundred fifty-seven million, seven hundred one thousand, six hundred twenty".