51090607 has 2 divisors, whose sum is σ = 51090608. Its totient is φ = 51090606.

The previous prime is 51090553. The next prime is 51090623. The reversal of 51090607 is 70609015.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51090607 - 2²³ = 42701999 is a prime.

It is a super-2 number, since 2×51090607² = 5220500247256898, which contains 22 as substring.

It is equal to p_3062539 and since 51090607 and 3062539 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51090647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25545303 + 25545304.

It is an arithmetic number, because the mean of its divisors is an integer number (25545304).

Almost surely, 2^51090607 is an apocalyptic number.

51090607 is a deficient number, since it is larger than the sum of its proper divisors (1).

51090607 is an equidigital number, since it uses as much as digits as its factorization.

51090607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 51090607 is about 7147.7693723287. The cubic root of 51090607 is about 371.0624611792.

The spelling of 51090607 in words is "fifty-one million, ninety thousand, six hundred seven".