556497151 has 16 divisors (see below), whose sum is σ = 661340160. Its totient is φ = 458216640.

The previous prime is 556497127. The next prime is 556497157. The reversal of 556497151 is 151794655.

It is not a de Polignac number, because 556497151 - 2⁵ = 556497119 is a prime.

It is a super-2 number, since 2×556497151² = 619378158142233602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556497098 and 556497107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556497157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20370 + ... + 39088.

It is an arithmetic number, because the mean of its divisors is an integer number (41333760).

Almost surely, 2^556497151 is an apocalyptic number.

556497151 is a deficient number, since it is larger than the sum of its proper divisors (104843009).

556497151 is a wasteful number, since it uses less digits than its factorization.

556497151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18894.

The product of its digits is 189000, while the sum is 43.

The square root of 556497151 is about 23590.1918389826. The cubic root of 556497151 is about 822.5348641153.

The spelling of 556497151 in words is "five hundred fifty-six million, four hundred ninety-seven thousand, one hundred fifty-one".