54545646 has 16 divisors (see below), whose sum is σ = 109324800. Its totient is φ = 18142968.

The previous prime is 54545609. The next prime is 54545653. The reversal of 54545646 is 64654545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6616 + ... + 12363.

It is an arithmetic number, because the mean of its divisors is an integer number (6832800).

Almost surely, 2^54545646 is an apocalyptic number.

54545646 is an abundant number, since it is smaller than the sum of its proper divisors (54779154).

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

54545646 is a wasteful number, since it uses less digits than its factorization.

54545646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19463.

The product of its digits is 288000, while the sum is 39.

The square root of 54545646 is about 7385.5024202826. The cubic root of 54545646 is about 379.2451450862.

The spelling of 54545646 in words is "fifty-four million, five hundred forty-five thousand, six hundred forty-six".