49818154 has 4 divisors (see below), whose sum is σ = 74727234. Its totient is φ = 24909076.

The previous prime is 49818137. The next prime is 49818187. The reversal of 49818154 is 45181894.

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

It can be written as a sum of positive squares in only one way, i.e., 36663025 + 13155129 = 6055^2 + 3627^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12454537 + ... + 12454540.

Almost surely, 2^49818154 is an apocalyptic number.

49818154 is a deficient number, since it is larger than the sum of its proper divisors (24909080).

49818154 is a wasteful number, since it uses less digits than its factorization.

49818154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24909079.

The product of its digits is 46080, while the sum is 40.

The square root of 49818154 is about 7058.1976452916. The cubic root of 49818154 is about 367.9559897353.

The spelling of 49818154 in words is "forty-nine million, eight hundred eighteen thousand, one hundred fifty-four".