54637879 has 2 divisors, whose sum is σ = 54637880. Its totient is φ = 54637878.

The previous prime is 54637819. The next prime is 54637889. The reversal of 54637879 is 97873645.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54637879 - 2¹⁷ = 54506807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54637819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27318939 + 27318940.

It is an arithmetic number, because the mean of its divisors is an integer number (27318940).

Almost surely, 2^54637879 is an apocalyptic number.

54637879 is a deficient number, since it is larger than the sum of its proper divisors (1).

54637879 is an equidigital number, since it uses as much as digits as its factorization.

54637879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 54637879 is about 7391.7439755446. The cubic root of 54637879 is about 379.4587840160.

The spelling of 54637879 in words is "fifty-four million, six hundred thirty-seven thousand, eight hundred seventy-nine".