55259073 has 6 divisors (see below), whose sum is σ = 79818674. Its totient is φ = 36839376.

The previous prime is 55259063. The next prime is 55259089. The reversal of 55259073 is 37095255.

It can be written as a sum of positive squares in only one way, i.e., 54066609 + 1192464 = 7353^2 + 1092^2 .

It is not a de Polignac number, because 55259073 - 2⁹ = 55258561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55259053) 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, 3069940 + ... + 3069957.

Almost surely, 2^55259073 is an apocalyptic number.

It is an amenable number.

55259073 is a deficient number, since it is larger than the sum of its proper divisors (24559601).

55259073 is a wasteful number, since it uses less digits than its factorization.

55259073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139903 (or 6139900 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 55259073 is about 7433.6446646312. The cubic root of 55259073 is about 380.8914275129.

The spelling of 55259073 in words is "fifty-five million, two hundred fifty-nine thousand, seventy-three".