49638854 has 4 divisors (see below), whose sum is σ = 74458284. Its totient is φ = 24819426.

The previous prime is 49638851. The next prime is 49638859. The reversal of 49638854 is 45883694.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49638799 and 49638808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49638851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12409712 + ... + 12409715.

It is an arithmetic number, because the mean of its divisors is an integer number (18614571).

Almost surely, 2^49638854 is an apocalyptic number.

49638854 is a deficient number, since it is larger than the sum of its proper divisors (24819430).

49638854 is a wasteful number, since it uses less digits than its factorization.

49638854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24819429.

The product of its digits is 829440, while the sum is 47.

The square root of 49638854 is about 7045.4846533081. The cubic root of 49638854 is about 367.5140235598.

The spelling of 49638854 in words is "forty-nine million, six hundred thirty-eight thousand, eight hundred fifty-four".