654055506 has 64 divisors (see below), whose sum is σ = 1647676800. Its totient is φ = 190651968.

The previous prime is 654055483. The next prime is 654055513. The reversal of 654055506 is 605550456.

It is a happy number.

654055506 is a `hidden beast` number, since 65 + 40 + 5 + 550 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11181 + ... + 37856.

It is an arithmetic number, because the mean of its divisors is an integer number (25744950).

Almost surely, 2^654055506 is an apocalyptic number.

654055506 is an abundant number, since it is smaller than the sum of its proper divisors (993621294).

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

654055506 is a wasteful number, since it uses less digits than its factorization.

654055506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49080 (or 49074 counting only the distinct ones).

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

The square root of 654055506 is about 25574.5089102411. The cubic root of 654055506 is about 868.0369293822.

The spelling of 654055506 in words is "six hundred fifty-four million, fifty-five thousand, five hundred six".