49998057 has 4 divisors (see below), whose sum is σ = 66664080. Its totient is φ = 33332036.

The previous prime is 49998043. The next prime is 49998103. The reversal of 49998057 is 75089994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49998057 - 2¹⁰ = 49997033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49998007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8333007 + ... + 8333012.

It is an arithmetic number, because the mean of its divisors is an integer number (16666020).

Almost surely, 2^49998057 is an apocalyptic number.

It is an amenable number.

49998057 is a deficient number, since it is larger than the sum of its proper divisors (16666023).

49998057 is a wasteful number, since it uses less digits than its factorization.

49998057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666022.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 49998057 is about 7070.9304196831. The cubic root of 49998057 is about 368.3983777534.

The spelling of 49998057 in words is "forty-nine million, nine hundred ninety-eight thousand, fifty-seven".