49556399 has 2 divisors, whose sum is σ = 49556400. Its totient is φ = 49556398.

The previous prime is 49556359. The next prime is 49556443. The reversal of 49556399 is 99365594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49556399 - 2¹² = 49552303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49556359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24778199 + 24778200.

It is an arithmetic number, because the mean of its divisors is an integer number (24778200).

Almost surely, 2^49556399 is an apocalyptic number.

49556399 is a deficient number, since it is larger than the sum of its proper divisors (1).

49556399 is an equidigital number, since it uses as much as digits as its factorization.

49556399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1312200, while the sum is 50.

The square root of 49556399 is about 7039.6306011040. The cubic root of 49556399 is about 367.3104185150.

The spelling of 49556399 in words is "forty-nine million, five hundred fifty-six thousand, three hundred ninety-nine".