54320646 has 16 divisors (see below), whose sum is σ = 109122624. Its totient is φ = 18026664.

The previous prime is 54320621. The next prime is 54320657. The reversal of 54320646 is 64602345.

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, 18580 + ... + 21303.

It is an arithmetic number, because the mean of its divisors is an integer number (6820164).

Almost surely, 2^54320646 is an apocalyptic number.

54320646 is an abundant number, since it is smaller than the sum of its proper divisors (54801978).

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

54320646 is a wasteful number, since it uses less digits than its factorization.

54320646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40115.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 54320646 is about 7370.2541340174. The cubic root of 54320646 is about 378.7229661891.

The spelling of 54320646 in words is "fifty-four million, three hundred twenty thousand, six hundred forty-six".