53222737 has 2 divisors, whose sum is σ = 53222738. Its totient is φ = 53222736.

The previous prime is 53222731. The next prime is 53222773. The reversal of 53222737 is 73722235.

Together with next prime (53222773) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52359696 + 863041 = 7236^2 + 929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53222737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53222699 and 53222708.

It is not a weakly prime, because it can be changed into another prime (53222731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26611368 + 26611369.

It is an arithmetic number, because the mean of its divisors is an integer number (26611369).

Almost surely, 2^53222737 is an apocalyptic number.

It is an amenable number.

53222737 is a deficient number, since it is larger than the sum of its proper divisors (1).

53222737 is an equidigital number, since it uses as much as digits as its factorization.

53222737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 31.

The square root of 53222737 is about 7295.3914905233. The cubic root of 53222737 is about 376.1540436602.

The spelling of 53222737 in words is "fifty-three million, two hundred twenty-two thousand, seven hundred thirty-seven".