2556948950 has 24 divisors (see below), whose sum is σ = 4764424968. Its totient is φ = 1020951680.

The previous prime is 2556948917. The next prime is 2556948967. The reversal of 2556948950 is 598496552.

It is a super-2 number, since 2×2556948950² = 13075975865812205000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2556948892 and 2556948901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17267 + ... + 73566.

It is an arithmetic number, because the mean of its divisors is an integer number (198517707).

Almost surely, 2^2556948950 is an apocalyptic number.

2556948950 is a deficient number, since it is larger than the sum of its proper divisors (2207476018).

2556948950 is a wasteful number, since it uses less digits than its factorization.

2556948950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91408 (or 91403 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 53.

The square root of 2556948950 is about 50566.2827385996. The cubic root of 2556948950 is about 1367.4370806598.

The spelling of 2556948950 in words is "two billion, five hundred fifty-six million, nine hundred forty-eight thousand, nine hundred fifty".