345530550 has 48 divisors (see below), whose sum is σ = 871462080. Its totient is φ = 90577440.

The previous prime is 345530539. The next prime is 345530597. The reversal of 345530550 is 55035543.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 10672 + ... + 28371.

It is an arithmetic number, because the mean of its divisors is an integer number (18155460).

Almost surely, 2^345530550 is an apocalyptic number.

345530550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345530550 is an abundant number, since it is smaller than the sum of its proper divisors (525931530).

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

345530550 is a wasteful number, since it uses less digits than its factorization.

345530550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39117 (or 39112 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 345530550 is about 18588.4520603519. The cubic root of 345530550 is about 701.7172463757.

The spelling of 345530550 in words is "three hundred forty-five million, five hundred thirty thousand, five hundred fifty".