5155656544 has 24 divisors (see below), whose sum is σ = 10157109480. Its totient is φ = 2576073216.

The previous prime is 5155656533. The next prime is 5155656547. The reversal of 5155656544 is 4456565515.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5155656494 and 5155656503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155656547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6454 + ... + 101749.

It is an arithmetic number, because the mean of its divisors is an integer number (423212895).

Almost surely, 2^5155656544 is an apocalyptic number.

It is an amenable number.

5155656544 is a deficient number, since it is larger than the sum of its proper divisors (5001452936).

5155656544 is a wasteful number, since it uses less digits than its factorization.

5155656544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109702 (or 109694 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 46.

The square root of 5155656544 is about 71802.9006656416. The cubic root of 5155656544 is about 1727.5395256527.

The spelling of 5155656544 in words is "five billion, one hundred fifty-five million, six hundred fifty-six thousand, five hundred forty-four".