49678903 has 4 divisors (see below), whose sum is σ = 50277528. Its totient is φ = 49080280.

The previous prime is 49678897. The next prime is 49678927. The reversal of 49678903 is 30987694.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49678903 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49678933) 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, 299188 + ... + 299353.

It is an arithmetic number, because the mean of its divisors is an integer number (12569382).

Almost surely, 2^49678903 is an apocalyptic number.

49678903 is a deficient number, since it is larger than the sum of its proper divisors (598625).

49678903 is an equidigital number, since it uses as much as digits as its factorization.

49678903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598624.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 49678903 is about 7048.3262552183. The cubic root of 49678903 is about 367.6128346816.

The spelling of 49678903 in words is "forty-nine million, six hundred seventy-eight thousand, nine hundred three".