49998651 has 4 divisors (see below), whose sum is σ = 66664872. Its totient is φ = 33332432.

The previous prime is 49998623. The next prime is 49998653. The reversal of 49998651 is 15689994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49998651 - 2⁶ = 49998587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49998594 and 49998603.

It is not an unprimeable number, because it can be changed into a prime (49998653) 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, 8333106 + ... + 8333111.

It is an arithmetic number, because the mean of its divisors is an integer number (16666218).

Almost surely, 2^49998651 is an apocalyptic number.

49998651 is a deficient number, since it is larger than the sum of its proper divisors (16666221).

49998651 is a wasteful number, since it uses less digits than its factorization.

49998651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666220.

The product of its digits is 699840, while the sum is 51.

The square root of 49998651 is about 7070.9724225173. The cubic root of 49998651 is about 368.3998366619.

The spelling of 49998651 in words is "forty-nine million, nine hundred ninety-eight thousand, six hundred fifty-one".