5155571900 has 36 divisors (see below), whose sum is σ = 11674013232. Its totient is φ = 1972565760.

The previous prime is 5155571899. The next prime is 5155571917. The reversal of 5155571900 is 91755515.

It is a super-2 number, since 2×5155571900² = 53159843232139220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1118477 + ... + 1123076.

Almost surely, 2^5155571900 is an apocalyptic number.

5155571900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5155571900 is an abundant number, since it is smaller than the sum of its proper divisors (6518441332).

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

5155571900 is a wasteful number, since it uses less digits than its factorization.

5155571900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241590 (or 2241583 counting only the distinct ones).

The product of its (nonzero) digits is 39375, while the sum is 38.

The square root of 5155571900 is about 71802.3112441375. The cubic root of 5155571900 is about 1727.5300715283.

The spelling of 5155571900 in words is "five billion, one hundred fifty-five million, five hundred seventy-one thousand, nine hundred".