53972069 has 2 divisors, whose sum is σ = 53972070. Its totient is φ = 53972068.

The previous prime is 53972063. The next prime is 53972101. The reversal of 53972069 is 96027935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45387169 + 8584900 = 6737^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 53972069 - 2¹² = 53967973 is a prime.

It is a super-2 number, since 2×53972069² = 5825968464281522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53972063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26986034 + 26986035.

It is an arithmetic number, because the mean of its divisors is an integer number (26986035).

Almost surely, 2^53972069 is an apocalyptic number.

It is an amenable number.

53972069 is a deficient number, since it is larger than the sum of its proper divisors (1).

53972069 is an equidigital number, since it uses as much as digits as its factorization.

53972069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 53972069 is about 7346.5685187031. The cubic root of 53972069 is about 377.9111354796.

The spelling of 53972069 in words is "fifty-three million, nine hundred seventy-two thousand, sixty-nine".