54664839 has 6 divisors (see below), whose sum is σ = 78960336. Its totient is φ = 36443220.

The previous prime is 54664837. The next prime is 54664853. The reversal of 54664839 is 93846645.

It is not a de Polignac number, because 54664839 - 2¹ = 54664837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54664794 and 54664803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54664837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3036927 + ... + 3036944.

It is an arithmetic number, because the mean of its divisors is an integer number (13160056).

Almost surely, 2^54664839 is an apocalyptic number.

54664839 is a deficient number, since it is larger than the sum of its proper divisors (24295497).

54664839 is a wasteful number, since it uses less digits than its factorization.

54664839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073877 (or 6073874 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 54664839 is about 7393.5674068747. The cubic root of 54664839 is about 379.5211859420.

The spelling of 54664839 in words is "fifty-four million, six hundred sixty-four thousand, eight hundred thirty-nine".