49143903 has 4 divisors (see below), whose sum is σ = 65525208. Its totient is φ = 32762600.

The previous prime is 49143877. The next prime is 49143929. The reversal of 49143903 is 30934194.

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

It is an interprime number because it is at equal distance from previous prime (49143877) and next prime (49143929).

It is a cyclic number.

It is not a de Polignac number, because 49143903 - 2⁶ = 49143839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49143943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8190648 + ... + 8190653.

It is an arithmetic number, because the mean of its divisors is an integer number (16381302).

Almost surely, 2^49143903 is an apocalyptic number.

49143903 is a deficient number, since it is larger than the sum of its proper divisors (16381305).

49143903 is a wasteful number, since it uses less digits than its factorization.

49143903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381304.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 49143903 is about 7010.2712501015. The cubic root of 49143903 is about 366.2884420350.

The spelling of 49143903 in words is "forty-nine million, one hundred forty-three thousand, nine hundred three".