49638045 has 16 divisors (see below), whose sum is σ = 84093120. Its totient is φ = 24916224.

The previous prime is 49638041. The next prime is 49638073. The reversal of 49638045 is 54083694.

It is not a de Polignac number, because 49638045 - 2² = 49638041 is a prime.

It is a super-2 number, since 2×49638045² = 4927871022844050, which contains 22 as substring.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 49637994 and 49638012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49638041) 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, 97075 + ... + 97584.

It is an arithmetic number, because the mean of its divisors is an integer number (5255820).

Almost surely, 2^49638045 is an apocalyptic number.

It is an amenable number.

49638045 is a deficient number, since it is larger than the sum of its proper divisors (34455075).

49638045 is a wasteful number, since it uses less digits than its factorization.

49638045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194684.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 49638045 is about 7045.4272404163. The cubic root of 49638045 is about 367.5120270024.

The spelling of 49638045 in words is "forty-nine million, six hundred thirty-eight thousand, forty-five".