51497059 has 2 divisors, whose sum is σ = 51497060. Its totient is φ = 51497058.

The previous prime is 51497041. The next prime is 51497113. The reversal of 51497059 is 95079415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51497059 - 2⁵ = 51497027 is a prime.

It is not a weakly prime, because it can be changed into another prime (51497659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25748529 + 25748530.

It is an arithmetic number, because the mean of its divisors is an integer number (25748530).

Almost surely, 2^51497059 is an apocalyptic number.

51497059 is a deficient number, since it is larger than the sum of its proper divisors (1).

51497059 is an equidigital number, since it uses as much as digits as its factorization.

51497059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 51497059 is about 7176.1451350986. The cubic root of 51497059 is about 372.0438606896.

The spelling of 51497059 in words is "fifty-one million, four hundred ninety-seven thousand, fifty-nine".