54691964 has 12 divisors (see below), whose sum is σ = 95878104. Its totient is φ = 27298224.

The previous prime is 54691963. The next prime is 54691969. The reversal of 54691964 is 46919645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54691961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9299 + ... + 13994.

It is an arithmetic number, because the mean of its divisors is an integer number (7989842).

Almost surely, 2^54691964 is an apocalyptic number.

It is an amenable number.

54691964 is a deficient number, since it is larger than the sum of its proper divisors (41186140).

54691964 is a wasteful number, since it uses less digits than its factorization.

54691964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23884 (or 23882 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 54691964 is about 7395.4015442030. The cubic root of 54691964 is about 379.5839490763.

It can be divided in two parts, 54691 and 964, that added together give a palindrome (55655).

The spelling of 54691964 in words is "fifty-four million, six hundred ninety-one thousand, nine hundred sixty-four".