315005550 has 48 divisors (see below), whose sum is σ = 783311472. Its totient is φ = 83776000.

The previous prime is 315005549. The next prime is 315005591. The reversal of 315005550 is 55500513.

It is a self number, because there is not a number n which added to its sum of digits gives 315005550.

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, 57532 + ... + 62768.

It is an arithmetic number, because the mean of its divisors is an integer number (16318989).

Almost surely, 2^315005550 is an apocalyptic number.

315005550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315005550 is an abundant number, since it is smaller than the sum of its proper divisors (468305922).

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

315005550 is a wasteful number, since it uses less digits than its factorization.

315005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653 (or 5648 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 315005550 is about 17748.3957021473. The cubic root of 315005550 is about 680.4132076260.

The spelling of 315005550 in words is "three hundred fifteen million, five thousand, five hundred fifty".