54786906 has 48 divisors (see below), whose sum is σ = 123695208. Its totient is φ = 17510400.

The previous prime is 54786883. The next prime is 54786917. The reversal of 54786906 is 60968745.

It can be written as a sum of positive squares in 4 ways, for example, as 13068225 + 41718681 = 3615^2 + 6459^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44410 + ... + 45626.

Almost surely, 2^54786906 is an apocalyptic number.

54786906 is an abundant number, since it is smaller than the sum of its proper divisors (68908302).

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

54786906 is a wasteful number, since it uses less digits than its factorization.

54786906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 54786906 is about 7401.8177497153. The cubic root of 54786906 is about 379.8034671628.

The spelling of 54786906 in words is "fifty-four million, seven hundred eighty-six thousand, nine hundred six".