455213556 has 144 divisors (see below), whose sum is σ = 1416804480. Its totient is φ = 120268800.

The previous prime is 455213543. The next prime is 455213567. The reversal of 455213556 is 655312554.

455213556 is a `hidden beast` number, since 45 + 52 + 13 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 455213556.

It is a congruent number.

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, 251856 + ... + 253656.

It is an arithmetic number, because the mean of its divisors is an integer number (9838920).

Almost surely, 2^455213556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455213556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708402240).

455213556 is an abundant number, since it is smaller than the sum of its proper divisors (961590924).

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

455213556 is a wasteful number, since it uses less digits than its factorization.

455213556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1889 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 455213556 is about 21335.7342503135. The cubic root of 455213556 is about 769.2574817729.

The spelling of 455213556 in words is "four hundred fifty-five million, two hundred thirteen thousand, five hundred fifty-six".