54390964 has 12 divisors (see below), whose sum is σ = 95237604. Its totient is φ = 27180224.

The previous prime is 54390961. The next prime is 54390971. The reversal of 54390964 is 46909345.

It can be written as a sum of positive squares in 2 ways, for example, as 22014864 + 32376100 = 4692^2 + 5690^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54390961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8952 + ... + 13744.

It is an arithmetic number, because the mean of its divisors is an integer number (7936467).

Almost surely, 2^54390964 is an apocalyptic number.

It is an amenable number.

54390964 is a deficient number, since it is larger than the sum of its proper divisors (40846640).

54390964 is a wasteful number, since it uses less digits than its factorization.

54390964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634 (or 7632 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 54390964 is about 7375.0229830150. The cubic root of 54390964 is about 378.8863145073.

The spelling of 54390964 in words is "fifty-four million, three hundred ninety thousand, nine hundred sixty-four".