455564250 has 96 divisors (see below), whose sum is σ = 1277640000. Its totient is φ = 121467600.

The previous prime is 455564209. The next prime is 455564261. The reversal of 455564250 is 52465554.

455564250 is a `hidden beast` number, since 4 + 5 + 5 + 5 + 642 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57001 + ... + 64499.

It is an arithmetic number, because the mean of its divisors is an integer number (13308750).

Almost surely, 2^455564250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455564250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638820000).

455564250 is an abundant number, since it is smaller than the sum of its proper divisors (822075750).

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

455564250 is an equidigital number, since it uses as much as digits as its factorization.

455564250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531 (or 7509 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 455564250 is about 21343.9511337522. The cubic root of 455564250 is about 769.4549749655.

The spelling of 455564250 in words is "four hundred fifty-five million, five hundred sixty-four thousand, two hundred fifty".