51490883 has 2 divisors, whose sum is σ = 51490884. Its totient is φ = 51490882.

The previous prime is 51490843. The next prime is 51490927. The reversal of 51490883 is 38809415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51490883 - 2¹⁰ = 51489859 is a prime.

It is a super-2 number, since 2×51490883² = 5302622064239378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51490843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25745441 + 25745442.

It is an arithmetic number, because the mean of its divisors is an integer number (25745442).

Almost surely, 2^51490883 is an apocalyptic number.

51490883 is a deficient number, since it is larger than the sum of its proper divisors (1).

51490883 is an equidigital number, since it uses as much as digits as its factorization.

51490883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 51490883 is about 7175.7148075993. The cubic root of 51490883 is about 372.0289871234.

The spelling of 51490883 in words is "fifty-one million, four hundred ninety thousand, eight hundred eighty-three".