351240055 has 4 divisors (see below), whose sum is σ = 421488072. Its totient is φ = 280992040.

The previous prime is 351240037. The next prime is 351240059. The reversal of 351240055 is 550042153.

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

It is not a de Polignac number, because 351240055 - 2¹³ = 351231863 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 (351240059) 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, 35124001 + ... + 35124010.

It is an arithmetic number, because the mean of its divisors is an integer number (105372018).

Almost surely, 2^351240055 is an apocalyptic number.

351240055 is a deficient number, since it is larger than the sum of its proper divisors (70248017).

351240055 is an equidigital number, since it uses as much as digits as its factorization.

351240055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70248016.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 351240055 is about 18741.3994941680. The cubic root of 351240055 is about 705.5611815351.

The spelling of 351240055 in words is "three hundred fifty-one million, two hundred forty thousand, fifty-five".