5215506550 has 48 divisors (see below), whose sum is σ = 9978669360. Its totient is φ = 2026967040.

The previous prime is 5215506539. The next prime is 5215506581. The reversal of 5215506550 is 556055125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408666 + ... + 421234.

It is an arithmetic number, because the mean of its divisors is an integer number (207888945).

Almost surely, 2^5215506550 is an apocalyptic number.

5215506550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5215506550 is a deficient number, since it is larger than the sum of its proper divisors (4763162810).

5215506550 is a wasteful number, since it uses less digits than its factorization.

5215506550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12817 (or 12812 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 5215506550 is about 72218.4640517922. The cubic root of 5215506550 is about 1734.1986017280.

The spelling of 5215506550 in words is "five billion, two hundred fifteen million, five hundred six thousand, five hundred fifty".