49621863 has 16 divisors (see below), whose sum is σ = 69857280. Its totient is φ = 31244544.

The previous prime is 49621841. The next prime is 49621877. The reversal of 49621863 is 36812694.

It is not a de Polignac number, because 49621863 - 2²² = 45427559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49621163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20695 + ... + 22967.

It is an arithmetic number, because the mean of its divisors is an integer number (4366080).

Almost surely, 2^49621863 is an apocalyptic number.

49621863 is a deficient number, since it is larger than the sum of its proper divisors (20235417).

49621863 is a wasteful number, since it uses less digits than its factorization.

49621863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678.

The product of its digits is 62208, while the sum is 39.

The square root of 49621863 is about 7044.2787423554. The cubic root of 49621863 is about 367.4720863615.

The spelling of 49621863 in words is "forty-nine million, six hundred twenty-one thousand, eight hundred sixty-three".