55839137 has 2 divisors, whose sum is σ = 55839138. Its totient is φ = 55839136.

The previous prime is 55839109. The next prime is 55839151. The reversal of 55839137 is 73193855.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29203216 + 26635921 = 5404^2 + 5161^2 .

It is a cyclic number.

It is not a de Polignac number, because 55839137 - 2¹² = 55835041 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55839094 and 55839103.

It is not a weakly prime, because it can be changed into another prime (55839107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27919568 + 27919569.

It is an arithmetic number, because the mean of its divisors is an integer number (27919569).

Almost surely, 2^55839137 is an apocalyptic number.

It is an amenable number.

55839137 is a deficient number, since it is larger than the sum of its proper divisors (1).

55839137 is an equidigital number, since it uses as much as digits as its factorization.

55839137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 55839137 is about 7472.5589325210. The cubic root of 55839137 is about 382.2195520697.

The spelling of 55839137 in words is "fifty-five million, eight hundred thirty-nine thousand, one hundred thirty-seven".