56989069 has 2 divisors, whose sum is σ = 56989070. Its totient is φ = 56989068.

The previous prime is 56989039. The next prime is 56989081. The reversal of 56989069 is 96098965.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51652969 + 5336100 = 7187^2 + 2310^2 .

It is a cyclic number.

It is not a de Polignac number, because 56989069 - 2⁹ = 56988557 is a prime.

It is a super-2 number, since 2×56989069² = 6495507970973522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56989019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28494534 + 28494535.

It is an arithmetic number, because the mean of its divisors is an integer number (28494535).

Almost surely, 2^56989069 is an apocalyptic number.

It is an amenable number.

56989069 is a deficient number, since it is larger than the sum of its proper divisors (1).

56989069 is an equidigital number, since it uses as much as digits as its factorization.

56989069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The square root of 56989069 is about 7549.1104774006. The cubic root of 56989069 is about 384.8255104053.

The spelling of 56989069 in words is "fifty-six million, nine hundred eighty-nine thousand, sixty-nine".