5155431556 has 48 divisors (see below), whose sum is σ = 10131331392. Its totient is φ = 2274825600.

The previous prime is 5155431527. The next prime is 5155431559. The reversal of 5155431556 is 6551345515.

It is a happy number.

It is a super-2 number, since 2×5155431556² = 53156949057201162272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5155431559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756886 + ... + 763666.

It is an arithmetic number, because the mean of its divisors is an integer number (211069404).

Almost surely, 2^5155431556 is an apocalyptic number.

It is an amenable number.

5155431556 is a deficient number, since it is larger than the sum of its proper divisors (4975899836).

5155431556 is a wasteful number, since it uses less digits than its factorization.

5155431556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300 (or 7298 counting only the distinct ones).

The product of its digits is 225000, while the sum is 40.

The square root of 5155431556 is about 71801.3339430404. Note that the first 3 decimals coincide. The cubic root of 5155431556 is about 1727.5143958874.

The spelling of 5155431556 in words is "five billion, one hundred fifty-five million, four hundred thirty-one thousand, five hundred fifty-six".