49621995 has 24 divisors (see below), whose sum is σ = 88339056. Its totient is φ = 25748928.

The previous prime is 49621981. The next prime is 49622003. The reversal of 49621995 is 59912694.

It is not a de Polignac number, because 49621995 - 2¹² = 49617899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49621995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13237 + ... + 16566.

It is an arithmetic number, because the mean of its divisors is an integer number (3680794).

Almost surely, 2^49621995 is an apocalyptic number.

49621995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49621995 is a deficient number, since it is larger than the sum of its proper divisors (38717061).

49621995 is a wasteful number, since it uses less digits than its factorization.

49621995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29851 (or 29848 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 49621995 is about 7044.2881116547. The cubic root of 49621995 is about 367.4724122009.

The spelling of 49621995 in words is "forty-nine million, six hundred twenty-one thousand, nine hundred ninety-five".