56406667 has 2 divisors, whose sum is σ = 56406668. Its totient is φ = 56406666.

The previous prime is 56406661. The next prime is 56406673. The reversal of 56406667 is 76660465.

It is a balanced prime because it is at equal distance from previous prime (56406661) and next prime (56406673).

It is a cyclic number.

It is not a de Polignac number, because 56406667 - 2¹¹ = 56404619 is a prime.

It is not a weakly prime, because it can be changed into another prime (56406661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28203333 + 28203334.

It is an arithmetic number, because the mean of its divisors is an integer number (28203334).

Almost surely, 2^56406667 is an apocalyptic number.

56406667 is a deficient number, since it is larger than the sum of its proper divisors (1).

56406667 is an equidigital number, since it uses as much as digits as its factorization.

56406667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 56406667 is about 7510.4372043177. The cubic root of 56406667 is about 383.5101061610.

The spelling of 56406667 in words is "fifty-six million, four hundred six thousand, six hundred sixty-seven".