51862423 has 2 divisors, whose sum is σ = 51862424. Its totient is φ = 51862422.

The previous prime is 51862409. The next prime is 51862439. The reversal of 51862423 is 32426815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51862423 - 2⁹ = 51861911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51862483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25931211 + 25931212.

It is an arithmetic number, because the mean of its divisors is an integer number (25931212).

Almost surely, 2^51862423 is an apocalyptic number.

51862423 is a deficient number, since it is larger than the sum of its proper divisors (1).

51862423 is an equidigital number, since it uses as much as digits as its factorization.

51862423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 51862423 is about 7201.5569844305. The cubic root of 51862423 is about 372.9216533621.

The spelling of 51862423 in words is "fifty-one million, eight hundred sixty-two thousand, four hundred twenty-three".