556685354 has 4 divisors (see below), whose sum is σ = 835028034. Its totient is φ = 278342676.

The previous prime is 556685303. The next prime is 556685359. The reversal of 556685354 is 453586655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 314104729 + 242580625 = 17723^2 + 15575^2 .

It is a junction number, because it is equal to n+sod(n) for n = 556685299 and 556685308.

It is not an unprimeable number, because it can be changed into a prime (556685359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139171337 + ... + 139171340.

Almost surely, 2^556685354 is an apocalyptic number.

556685354 is a deficient number, since it is larger than the sum of its proper divisors (278342680).

556685354 is a wasteful number, since it uses less digits than its factorization.

556685354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278342679.

The product of its digits is 2160000, while the sum is 47.

The square root of 556685354 is about 23594.1805113041. The cubic root of 556685354 is about 822.6275786248.

The spelling of 556685354 in words is "five hundred fifty-six million, six hundred eighty-five thousand, three hundred fifty-four".