56408371 has 2 divisors, whose sum is σ = 56408372. Its totient is φ = 56408370.

The previous prime is 56408369. The next prime is 56408381. The reversal of 56408371 is 17380465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56408371 - 2¹ = 56408369 is a prime.

Together with 56408369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56408381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28204185 + 28204186.

It is an arithmetic number, because the mean of its divisors is an integer number (28204186).

Almost surely, 2^56408371 is an apocalyptic number.

56408371 is a deficient number, since it is larger than the sum of its proper divisors (1).

56408371 is an equidigital number, since it uses as much as digits as its factorization.

56408371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 56408371 is about 7510.5506455918. The cubic root of 56408371 is about 383.5139679659.

The spelling of 56408371 in words is "fifty-six million, four hundred eight thousand, three hundred seventy-one".