56464069 has 2 divisors, whose sum is σ = 56464070. Its totient is φ = 56464068.

The previous prime is 56464063. The next prime is 56464081. The reversal of 56464069 is 96046465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54199044 + 2265025 = 7362^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 56464069 - 2⁷ = 56463941 is a prime.

It is a super-2 number, since 2×56464069² = 6376382176073522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56464063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28232034 + 28232035.

It is an arithmetic number, because the mean of its divisors is an integer number (28232035).

Almost surely, 2^56464069 is an apocalyptic number.

It is an amenable number.

56464069 is a deficient number, since it is larger than the sum of its proper divisors (1).

56464069 is an equidigital number, since it uses as much as digits as its factorization.

56464069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 56464069 is about 7514.2577145051. The cubic root of 56464069 is about 383.6401545219.

The spelling of 56464069 in words is "fifty-six million, four hundred sixty-four thousand, sixty-nine".