53722723 has 2 divisors, whose sum is σ = 53722724. Its totient is φ = 53722722.

The previous prime is 53722693. The next prime is 53722729. The reversal of 53722723 is 32722735.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53722723 is a prime.

It is a super-2 number, since 2×53722723² = 5772261933069458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53722729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26861361 + 26861362.

It is an arithmetic number, because the mean of its divisors is an integer number (26861362).

Almost surely, 2^53722723 is an apocalyptic number.

53722723 is a deficient number, since it is larger than the sum of its proper divisors (1).

53722723 is an equidigital number, since it uses as much as digits as its factorization.

53722723 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 53722723 is about 7329.5786372751. The cubic root of 53722723 is about 377.3282653790.

It can be divided in two parts, 53722 and 723, that added together give a palindrome (54445).

The spelling of 53722723 in words is "fifty-three million, seven hundred twenty-two thousand, seven hundred twenty-three".