5261608550 has 24 divisors (see below), whose sum is σ = 10676283192. Its totient is φ = 1913312000.

The previous prime is 5261608543. The next prime is 5261608571. The reversal of 5261608550 is 558061625.

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, 4782731 + ... + 4783830.

It is an arithmetic number, because the mean of its divisors is an integer number (444845133).

Almost surely, 2^5261608550 is an apocalyptic number.

5261608550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5261608550 is an abundant number, since it is smaller than the sum of its proper divisors (5414674642).

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

5261608550 is a wasteful number, since it uses less digits than its factorization.

5261608550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566584 (or 9566579 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 5261608550 is about 72536.9461033479. The cubic root of 5261608550 is about 1739.2933835349.

The spelling of 5261608550 in words is "five billion, two hundred sixty-one million, six hundred eight thousand, five hundred fifty".