49998771 has 24 divisors (see below), whose sum is σ = 73519056. Its totient is φ = 32739840.

The previous prime is 49998763. The next prime is 49998779. The reversal of 49998771 is 17789994.

49998771 is a `hidden beast` number, since 499 + 9 + 87 + 71 = 666.

It is an interprime number because it is at equal distance from previous prime (49998763) and next prime (49998779).

It is not a de Polignac number, because 49998771 - 2³ = 49998763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214471 + ... + 214703.

It is an arithmetic number, because the mean of its divisors is an integer number (3063294).

Almost surely, 2^49998771 is an apocalyptic number.

49998771 is a deficient number, since it is larger than the sum of its proper divisors (23520285).

49998771 is a wasteful number, since it uses less digits than its factorization.

49998771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 560 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The square root of 49998771 is about 7070.9809079080. The cubic root of 49998771 is about 368.4001313895.

The spelling of 49998771 in words is "forty-nine million, nine hundred ninety-eight thousand, seven hundred seventy-one".