49551971 has 16 divisors (see below), whose sum is σ = 57630720. Its totient is φ = 41731200.

The previous prime is 49551899. The next prime is 49551989. The reversal of 49551971 is 17915594.

49551971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49551971 - 2²² = 45357667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49554971) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 123371 + ... + 123771.

It is an arithmetic number, because the mean of its divisors is an integer number (3601920).

Almost surely, 2^49551971 is an apocalyptic number.

49551971 is a deficient number, since it is larger than the sum of its proper divisors (8078749).

49551971 is a wasteful number, since it uses less digits than its factorization.

49551971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its digits is 56700, while the sum is 41.

The square root of 49551971 is about 7039.3160889393. The cubic root of 49551971 is about 367.2994781251.

The spelling of 49551971 in words is "forty-nine million, five hundred fifty-one thousand, nine hundred seventy-one".