49815774 has 12 divisors (see below), whose sum is σ = 107934216. Its totient is φ = 16605252.

The previous prime is 49815757. The next prime is 49815781. The reversal of 49815774 is 47751894.

It is a happy number.

49815774 is a `hidden beast` number, since 498 + 157 + 7 + 4 = 666.

49815774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49815774² = 4963222678438152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1383754 + ... + 1383789.

It is an arithmetic number, because the mean of its divisors is an integer number (8994518).

Almost surely, 2^49815774 is an apocalyptic number.

49815774 is an abundant number, since it is smaller than the sum of its proper divisors (58118442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49815774 is a wasteful number, since it uses less digits than its factorization.

49815774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767551 (or 2767548 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 49815774 is about 7058.0290449955. The cubic root of 49815774 is about 367.9501300963.

The spelling of 49815774 in words is "forty-nine million, eight hundred fifteen thousand, seven hundred seventy-four".