556772450 has 48 divisors (see below), whose sum is σ = 1153754280. Its totient is φ = 198481920.

The previous prime is 556772441. The next prime is 556772459. The reversal of 556772450 is 54277655.

It is an interprime number because it is at equal distance from previous prime (556772441) and next prime (556772459).

It can be written as a sum of positive squares in 12 ways, for example, as 50027329 + 506745121 = 7073^2 + 22511^2 .

It is a super-2 number, since 2×556772450² = 619991122158005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556772398 and 556772407.

It is not an unprimeable number, because it can be changed into a prime (556772459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4082 + ... + 33618.

Almost surely, 2^556772450 is an apocalyptic number.

556772450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556772450 is an abundant number, since it is smaller than the sum of its proper divisors (596981830).

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

556772450 is a wasteful number, since it uses less digits than its factorization.

556772450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29591 (or 29586 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The square root of 556772450 is about 23596.0261484853. The cubic root of 556772450 is about 822.6704776849.

The spelling of 556772450 in words is "five hundred fifty-six million, seven hundred seventy-two thousand, four hundred fifty".