51992701 has 2 divisors, whose sum is σ = 51992702. Its totient is φ = 51992700.

The previous prime is 51992687. The next prime is 51992713. The reversal of 51992701 is 10729915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51768025 + 224676 = 7195^2 + 474^2 .

It is a cyclic number.

It is not a de Polignac number, because 51992701 - 2¹⁵ = 51959933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51992741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25996350 + 25996351.

It is an arithmetic number, because the mean of its divisors is an integer number (25996351).

Almost surely, 2^51992701 is an apocalyptic number.

It is an amenable number.

51992701 is a deficient number, since it is larger than the sum of its proper divisors (1).

51992701 is an equidigital number, since it uses as much as digits as its factorization.

51992701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 51992701 is about 7210.5964385757. The cubic root of 51992701 is about 373.2336510191.

The spelling of 51992701 in words is "fifty-one million, nine hundred ninety-two thousand, seven hundred one".