56406299 has 2 divisors, whose sum is σ = 56406300. Its totient is φ = 56406298.

The previous prime is 56406293. The next prime is 56406319. The reversal of 56406299 is 99260465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56406299 - 2¹⁶ = 56340763 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56406293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28203149 + 28203150.

It is an arithmetic number, because the mean of its divisors is an integer number (28203150).

Almost surely, 2^56406299 is an apocalyptic number.

56406299 is a deficient number, since it is larger than the sum of its proper divisors (1).

56406299 is an equidigital number, since it uses as much as digits as its factorization.

56406299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 56406299 is about 7510.4127050383. The cubic root of 56406299 is about 383.5092721459.

The spelling of 56406299 in words is "fifty-six million, four hundred six thousand, two hundred ninety-nine".