5155501556 has 6 divisors (see below), whose sum is σ = 9022127730. Its totient is φ = 2577750776.

The previous prime is 5155501541. The next prime is 5155501573. The reversal of 5155501556 is 6551055515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3725149156 + 1430352400 = 61034^2 + 37820^2 .

It is a super-2 number, since 2×5155501556² = 53158392587836842272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644437691 + ... + 644437698.

It is an arithmetic number, because the mean of its divisors is an integer number (1503687955).

Almost surely, 2^5155501556 is an apocalyptic number.

It is an amenable number.

5155501556 is a deficient number, since it is larger than the sum of its proper divisors (3866626174).

5155501556 is a wasteful number, since it uses less digits than its factorization.

5155501556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288875393 (or 1288875391 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 38.

The square root of 5155501556 is about 71801.8213975105. The cubic root of 5155501556 is about 1727.5222145320.

The spelling of 5155501556 in words is "five billion, one hundred fifty-five million, five hundred one thousand, five hundred fifty-six".