556497434 has 4 divisors (see below), whose sum is σ = 834746154. Its totient is φ = 278248716.

The previous prime is 556497421. The next prime is 556497457. The reversal of 556497434 is 434794655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434794655 = 5 ⋅86958931.

It can be written as a sum of positive squares in only one way, i.e., 481934209 + 74563225 = 21953^2 + 8635^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139124357 + ... + 139124360.

Almost surely, 2^556497434 is an apocalyptic number.

556497434 is a deficient number, since it is larger than the sum of its proper divisors (278248720).

556497434 is a wasteful number, since it uses less digits than its factorization.

556497434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278248719.

The product of its digits is 1814400, while the sum is 47.

The square root of 556497434 is about 23590.1978372374. The cubic root of 556497434 is about 822.5350035454.

The spelling of 556497434 in words is "five hundred fifty-six million, four hundred ninety-seven thousand, four hundred thirty-four".