725800550 has 48 divisors (see below), whose sum is σ = 1456460352. Its totient is φ = 268070400.

The previous prime is 725800549. The next prime is 725800583. The reversal of 725800550 is 55008527.

It is a happy number.

725800550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 36995 + ... + 53105.

It is an arithmetic number, because the mean of its divisors is an integer number (30342924).

Almost surely, 2^725800550 is an apocalyptic number.

725800550 is an abundant number, since it is smaller than the sum of its proper divisors (730659802).

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

725800550 is a wasteful number, since it uses less digits than its factorization.

725800550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16193 (or 16188 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 725800550 is about 26940.6857744936. The cubic root of 725800550 is about 898.6814230249.

The spelling of 725800550 in words is "seven hundred twenty-five million, eight hundred thousand, five hundred fifty".