49551863 has 2 divisors, whose sum is σ = 49551864. Its totient is φ = 49551862.

The previous prime is 49551847. The next prime is 49551893. The reversal of 49551863 is 36815594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49551863 - 2⁴ = 49551847 is a prime.

It is a super-3 number, since 3×49551863³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49551863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49551833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24775931 + 24775932.

It is an arithmetic number, because the mean of its divisors is an integer number (24775932).

Almost surely, 2^49551863 is an apocalyptic number.

49551863 is a deficient number, since it is larger than the sum of its proper divisors (1).

49551863 is an equidigital number, since it uses as much as digits as its factorization.

49551863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 49551863 is about 7039.3084177354. The cubic root of 49551863 is about 367.2992112782.

The spelling of 49551863 in words is "forty-nine million, five hundred fifty-one thousand, eight hundred sixty-three".