455197554 has 144 divisors (see below), whose sum is σ = 1261241280. Its totient is φ = 117754560.

The previous prime is 455197553. The next prime is 455197579. The reversal of 455197554 is 455791554.

It is a happy number.

455197554 is a `hidden beast` number, since 4 + 5 + 5 + 1 + 97 + 554 = 666.

It is not an unprimeable number, because it can be changed into a prime (455197553) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 384844 + ... + 386024.

It is an arithmetic number, because the mean of its divisors is an integer number (8758620).

Almost surely, 2^455197554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455197554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630620640).

455197554 is an abundant number, since it is smaller than the sum of its proper divisors (806043726).

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

455197554 is a wasteful number, since it uses less digits than its factorization.

455197554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1235 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The square root of 455197554 is about 21335.3592423470. The cubic root of 455197554 is about 769.2484678333.

The spelling of 455197554 in words is "four hundred fifty-five million, one hundred ninety-seven thousand, five hundred fifty-four".