49156475854 has 4 divisors (see below), whose sum is σ = 73734713784. Its totient is φ = 24578237926.

The previous prime is 49156475843. The next prime is 49156475857. The reversal of 49156475854 is 45857465194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45857465194 = 2 ⋅22928732597.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49156475857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12289118962 + ... + 12289118965.

It is an arithmetic number, because the mean of its divisors is an integer number (18433678446).

Almost surely, 2^49156475854 is an apocalyptic number.

49156475854 is a deficient number, since it is larger than the sum of its proper divisors (24578237930).

49156475854 is a wasteful number, since it uses less digits than its factorization.

49156475854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24578237929.

The product of its digits is 24192000, while the sum is 58.

The spelling of 49156475854 in words is "forty-nine billion, one hundred fifty-six million, four hundred seventy-five thousand, eight hundred fifty-four".