455081550 has 288 divisors, whose sum is σ = 1489404672. Its totient is φ = 89280000.

The previous prime is 455081503. The next prime is 455081563. The reversal of 455081550 is 55180554.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11099530 + ... + 11099570.

It is an arithmetic number, because the mean of its divisors is an integer number (5171544).

Almost surely, 2^455081550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455081550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744702336).

455081550 is an abundant number, since it is smaller than the sum of its proper divisors (1034323122).

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

455081550 is a wasteful number, since it uses less digits than its factorization.

455081550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The square root of 455081550 is about 21332.6404835407. The cubic root of 455081550 is about 769.1831163685.

The spelling of 455081550 in words is "four hundred fifty-five million, eighty-one thousand, five hundred fifty".