455511550 has 48 divisors (see below), whose sum is σ = 952126560. Its totient is φ = 160871040.

The previous prime is 455511547. The next prime is 455511559. The reversal of 455511550 is 55115554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455511559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285 + ... + 30184.

It is an arithmetic number, because the mean of its divisors is an integer number (19835970).

Almost surely, 2^455511550 is an apocalyptic number.

455511550 is an abundant number, since it is smaller than the sum of its proper divisors (496615010).

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

455511550 is a wasteful number, since it uses less digits than its factorization.

455511550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30517 (or 30512 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 455511550 is about 21342.7165562400. The cubic root of 455511550 is about 769.4253034531.

The spelling of 455511550 in words is "four hundred fifty-five million, five hundred eleven thousand, five hundred fifty".