2551142050 has 12 divisors (see below), whose sum is σ = 4745124306. Its totient is φ = 1020456800.

The previous prime is 2551142047. The next prime is 2551142071. The reversal of 2551142050 is 502411552.

It can be written as a sum of positive squares in 3 ways, for example, as 2177995561 + 373146489 = 46669^2 + 19317^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25511371 + ... + 25511470.

Almost surely, 2^2551142050 is an apocalyptic number.

2551142050 is a deficient number, since it is larger than the sum of its proper divisors (2193982256).

2551142050 is a wasteful number, since it uses less digits than its factorization.

2551142050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51022853 (or 51022848 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2551142050 is about 50508.8314060027. The cubic root of 2551142050 is about 1366.4011338840.

The spelling of 2551142050 in words is "two billion, five hundred fifty-one million, one hundred forty-two thousand, fifty".