455474852550 has 144 divisors (see below), whose sum is σ = 1257667763040. Its totient is φ = 118094008320.

The previous prime is 455474852531. The next prime is 455474852551. The reversal of 455474852550 is 55258474554.

455474852550 is a `hidden beast` number, since 4 + 5 + 5 + 4 + 7 + 4 + 85 + 2 + 550 = 666.

It is a super-3 number, since 3×455474852550³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455474852551) 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, 25682086 + ... + 25699814.

It is an arithmetic number, because the mean of its divisors is an integer number (8733803910).

Almost surely, 2^455474852550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455474852550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628833881520).

455474852550 is an abundant number, since it is smaller than the sum of its proper divisors (802192910490).

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

455474852550 is a wasteful number, since it uses less digits than its factorization.

455474852550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19327 (or 19319 counting only the distinct ones).

The product of its (nonzero) digits is 22400000, while the sum is 54.

It can be divided in two parts, 4554 and 74852550, that added together give a square (74857104 = 8652²).

The spelling of 455474852550 in words is "four hundred fifty-five billion, four hundred seventy-four million, eight hundred fifty-two thousand, five hundred fifty".