556677890 has 16 divisors (see below), whose sum is σ = 1003382208. Its totient is φ = 222368496.

The previous prime is 556677829. The next prime is 556677899. The reversal of 556677890 is 98776655.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (556677899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30032 + ... + 44891.

It is an arithmetic number, because the mean of its divisors is an integer number (62711388).

Almost surely, 2^556677890 is an apocalyptic number.

556677890 is a deficient number, since it is larger than the sum of its proper divisors (446704318).

556677890 is a wasteful number, since it uses less digits than its factorization.

556677890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75673.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The square root of 556677890 is about 23594.0223361766. The cubic root of 556677890 is about 822.6239020299.

The spelling of 556677890 in words is "five hundred fifty-six million, six hundred seventy-seven thousand, eight hundred ninety".