455615556 has 192 divisors, whose sum is σ = 1288175616. Its totient is φ = 123868800.

The previous prime is 455615543. The next prime is 455615581. The reversal of 455615556 is 655516554.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4423401 + ... + 4423503.

It is an arithmetic number, because the mean of its divisors is an integer number (6709248).

Almost surely, 2^455615556 is an apocalyptic number.

455615556 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455615556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644087808).

455615556 is an abundant number, since it is smaller than the sum of its proper divisors (832560060).

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

455615556 is a wasteful number, since it uses less digits than its factorization.

455615556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 220 counting only the distinct ones).

The product of its digits is 450000, while the sum is 42.

The square root of 455615556 is about 21345.1529860997. The cubic root of 455615556 is about 769.4838594203.

The spelling of 455615556 in words is "four hundred fifty-five million, six hundred fifteen thousand, five hundred fifty-six".