4959509550 has 96 divisors (see below), whose sum is σ = 12872604672. Its totient is φ = 1261265280.

The previous prime is 4959509543. The next prime is 4959509567. The reversal of 4959509550 is 559059594.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4959509493 and 4959509502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1264192 + ... + 1268108.

It is an arithmetic number, because the mean of its divisors is an integer number (134089632).

Almost surely, 2^4959509550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4959509550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6436302336).

4959509550 is an abundant number, since it is smaller than the sum of its proper divisors (7913095122).

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

4959509550 is a wasteful number, since it uses less digits than its factorization.

4959509550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322 (or 4317 counting only the distinct ones).

The product of its (nonzero) digits is 1822500, while the sum is 51.

The square root of 4959509550 is about 70423.7853995367. The cubic root of 4959509550 is about 1705.3475840984.

The spelling of 4959509550 in words is "four billion, nine hundred fifty-nine million, five hundred nine thousand, five hundred fifty".