5431565256 has 32 divisors (see below), whose sum is σ = 14623445760. Its totient is φ = 1671250752.

The previous prime is 5431565221. The next prime is 5431565309. The reversal of 5431565256 is 6525651345.

It is a super-2 number, since 2×5431565256² = 59003802260372691072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8704120 + ... + 8704743.

It is an arithmetic number, because the mean of its divisors is an integer number (456982680).

Almost surely, 2^5431565256 is an apocalyptic number.

It is an amenable number.

5431565256 is an abundant number, since it is smaller than the sum of its proper divisors (9191880504).

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

5431565256 is a wasteful number, since it uses less digits than its factorization.

5431565256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17408885 (or 17408881 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The square root of 5431565256 is about 73699.1536993472. The cubic root of 5431565256 is about 1757.8224248283.

The spelling of 5431565256 in words is "five billion, four hundred thirty-one million, five hundred sixty-five thousand, two hundred fifty-six".