49932772157 has 2 divisors, whose sum is σ = 49932772158. Its totient is φ = 49932772156.

The previous prime is 49932772133. The next prime is 49932772177. The reversal of 49932772157 is 75127723994.

It is a happy number.

49932772157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48203958916 + 1728813241 = 219554^2 + 41579^2 .

It is a cyclic number.

It is not a de Polignac number, because 49932772157 - 2⁸ = 49932771901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49932772117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24966386078 + 24966386079.

It is an arithmetic number, because the mean of its divisors is an integer number (24966386079).

Almost surely, 2^49932772157 is an apocalyptic number.

It is an amenable number.

49932772157 is a deficient number, since it is larger than the sum of its proper divisors (1).

49932772157 is an equidigital number, since it uses as much as digits as its factorization.

49932772157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6667920, while the sum is 56.

The spelling of 49932772157 in words is "forty-nine billion, nine hundred thirty-two million, seven hundred seventy-two thousand, one hundred fifty-seven".