49903489 has 8 divisors (see below), whose sum is σ = 50350248. Its totient is φ = 49459200.

The previous prime is 49903423. The next prime is 49903499. The reversal of 49903489 is 98430994.

It can be written as a sum of positive squares in 4 ways, for example, as 23040000 + 26863489 = 4800^2 + 5183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49903489 - 2¹⁷ = 49772417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49903499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70839 + ... + 71539.

It is an arithmetic number, because the mean of its divisors is an integer number (6293781).

Almost surely, 2^49903489 is an apocalyptic number.

It is an amenable number.

49903489 is a deficient number, since it is larger than the sum of its proper divisors (446759).

49903489 is a wasteful number, since it uses less digits than its factorization.

49903489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 49903489 is about 7064.2401572993. The cubic root of 49903489 is about 368.1659641490.

The spelling of 49903489 in words is "forty-nine million, nine hundred three thousand, four hundred eighty-nine".