556733397 has 32 divisors (see below), whose sum is σ = 827911296. Its totient is φ = 329932800.

The previous prime is 556733389. The next prime is 556733399. The reversal of 556733397 is 793337655.

556733397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556733397 - 2³ = 556733389 is a prime.

Its product of digits (1786050) is a multiple of the sum of its prime divisors (1701).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556733399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387793 + ... + 389225.

It is an arithmetic number, because the mean of its divisors is an integer number (25872228).

Almost surely, 2^556733397 is an apocalyptic number.

It is an amenable number.

556733397 is a deficient number, since it is larger than the sum of its proper divisors (271177899).

556733397 is a wasteful number, since it uses less digits than its factorization.

556733397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701.

The product of its digits is 1786050, while the sum is 48.

The square root of 556733397 is about 23595.1986005628. The cubic root of 556733397 is about 822.6512427166.

The spelling of 556733397 in words is "five hundred fifty-six million, seven hundred thirty-three thousand, three hundred ninety-seven".