53859973 has 2 divisors, whose sum is σ = 53859974. Its totient is φ = 53859972.

The previous prime is 53859941. The next prime is 53859977. The reversal of 53859973 is 37995835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52519009 + 1340964 = 7247^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 53859973 - 2⁵ = 53859941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53859977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26929986 + 26929987.

It is an arithmetic number, because the mean of its divisors is an integer number (26929987).

Almost surely, 2^53859973 is an apocalyptic number.

It is an amenable number.

53859973 is a deficient number, since it is larger than the sum of its proper divisors (1).

53859973 is an equidigital number, since it uses as much as digits as its factorization.

53859973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 49.

The square root of 53859973 is about 7338.9354132599. The cubic root of 53859973 is about 377.6493229710.

The spelling of 53859973 in words is "fifty-three million, eight hundred fifty-nine thousand, nine hundred seventy-three".