53770069 has 2 divisors, whose sum is σ = 53770070. Its totient is φ = 53770068.

The previous prime is 53770061. The next prime is 53770091. The reversal of 53770069 is 96007735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53363025 + 407044 = 7305^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 53770069 - 2³ = 53770061 is a prime.

It is a super-2 number, since 2×53770069² = 5782440640529522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53770061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26885034 + 26885035.

It is an arithmetic number, because the mean of its divisors is an integer number (26885035).

Almost surely, 2^53770069 is an apocalyptic number.

It is an amenable number.

53770069 is a deficient number, since it is larger than the sum of its proper divisors (1).

53770069 is an equidigital number, since it uses as much as digits as its factorization.

53770069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 53770069 is about 7332.8077160117. The cubic root of 53770069 is about 377.4390796829.

The spelling of 53770069 in words is "fifty-three million, seven hundred seventy thousand, sixty-nine".