557006740 has 12 divisors (see below), whose sum is σ = 1169714196. Its totient is φ = 222802688.

The previous prime is 557006731. The next prime is 557006753. The reversal of 557006740 is 47600755.

557006740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 435389956 + 121616784 = 20866^2 + 11028^2 .

It is a junction number, because it is equal to n+sod(n) for n = 557006696 and 557006705.

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, 13925149 + ... + 13925188.

It is an arithmetic number, because the mean of its divisors is an integer number (97476183).

Almost surely, 2^557006740 is an apocalyptic number.

It is an amenable number.

557006740 is an abundant number, since it is smaller than the sum of its proper divisors (612707456).

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

557006740 is a wasteful number, since it uses less digits than its factorization.

557006740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27850346 (or 27850344 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 557006740 is about 23600.9902334627. The cubic root of 557006740 is about 822.7858548239.

The spelling of 557006740 in words is "five hundred fifty-seven million, six thousand, seven hundred forty".