49901143 has 16 divisors (see below), whose sum is σ = 52488000. Its totient is φ = 47407360.

The previous prime is 49901101. The next prime is 49901149. The reversal of 49901143 is 34110994.

It is a cyclic number.

It is not a de Polignac number, because 49901143 - 2¹³ = 49892951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49901149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334833 + ... + 334981.

It is an arithmetic number, because the mean of its divisors is an integer number (3280500).

Almost surely, 2^49901143 is an apocalyptic number.

49901143 is a deficient number, since it is larger than the sum of its proper divisors (2586857).

49901143 is a wasteful number, since it uses less digits than its factorization.

49901143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 49901143 is about 7064.0741077653. The cubic root of 49901143 is about 368.1601948070.

The spelling of 49901143 in words is "forty-nine million, nine hundred one thousand, one hundred forty-three".