55980037 has 2 divisors, whose sum is σ = 55980038. Its totient is φ = 55980036.

The previous prime is 55980013. The next prime is 55980049. The reversal of 55980037 is 73008955.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31911201 + 24068836 = 5649^2 + 4906^2 .

It is a cyclic number.

It is not a de Polignac number, because 55980037 - 2¹¹ = 55977989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55979978 and 55980005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55980007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27990018 + 27990019.

It is an arithmetic number, because the mean of its divisors is an integer number (27990019).

Almost surely, 2^55980037 is an apocalyptic number.

It is an amenable number.

55980037 is a deficient number, since it is larger than the sum of its proper divisors (1).

55980037 is an equidigital number, since it uses as much as digits as its factorization.

55980037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 55980037 is about 7481.9808206116. The cubic root of 55980037 is about 382.5407694308.

The spelling of 55980037 in words is "fifty-five million, nine hundred eighty thousand, thirty-seven".