55075037 has 2 divisors, whose sum is σ = 55075038. Its totient is φ = 55075036.

The previous prime is 55075021. The next prime is 55075043. The reversal of 55075037 is 73057055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51998521 + 3076516 = 7211^2 + 1754^2 .

It is a cyclic number.

It is not a de Polignac number, because 55075037 - 2⁴ = 55075021 is a prime.

It is a Chen prime.

It is equal to p_3286472 and since 55075037 and 3286472 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 55074994 and 55075012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55075057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27537518 + 27537519.

It is an arithmetic number, because the mean of its divisors is an integer number (27537519).

Almost surely, 2^55075037 is an apocalyptic number.

It is an amenable number.

55075037 is a deficient number, since it is larger than the sum of its proper divisors (1).

55075037 is an equidigital number, since it uses as much as digits as its factorization.

55075037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 55075037 is about 7421.2557562720. The cubic root of 55075037 is about 380.4681142386.

The spelling of 55075037 in words is "fifty-five million, seventy-five thousand, thirty-seven".