451555532 has 6 divisors (see below), whose sum is σ = 790222188. Its totient is φ = 225777764.

The previous prime is 451555529. The next prime is 451555543. The reversal of 451555532 is 235555154.

It is a junction number, because it is equal to n+sod(n) for n = 451555492 and 451555501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56444438 + ... + 56444445.

It is an arithmetic number, because the mean of its divisors is an integer number (131703698).

Almost surely, 2^451555532 is an apocalyptic number.

It is an amenable number.

451555532 is a deficient number, since it is larger than the sum of its proper divisors (338666656).

451555532 is a wasteful number, since it uses less digits than its factorization.

451555532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112888887 (or 112888885 counting only the distinct ones).

The product of its digits is 75000, while the sum is 35.

The square root of 451555532 is about 21249.8360464263. The cubic root of 451555532 is about 767.1913938578.

The spelling of 451555532 in words is "four hundred fifty-one million, five hundred fifty-five thousand, five hundred thirty-two".