315450055 has 4 divisors (see below), whose sum is σ = 378540072. Its totient is φ = 252360040.

The previous prime is 315450043. The next prime is 315450059. The reversal of 315450055 is 550054513.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 315450055 - 2⁹ = 315449543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315450059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31545001 + ... + 31545010.

It is an arithmetic number, because the mean of its divisors is an integer number (94635018).

Almost surely, 2^315450055 is an apocalyptic number.

315450055 is a deficient number, since it is larger than the sum of its proper divisors (63090017).

315450055 is an equidigital number, since it uses as much as digits as its factorization.

315450055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63090016.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 315450055 is about 17760.9136870827. The cubic root of 315450055 is about 680.7331013792.

The spelling of 315450055 in words is "three hundred fifteen million, four hundred fifty thousand, fifty-five".