49903442 has 4 divisors (see below), whose sum is σ = 74855166. Its totient is φ = 24951720.

The previous prime is 49903423. The next prime is 49903499. The reversal of 49903442 is 24430994.

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

It can be written as a sum of positive squares in only one way, i.e., 28826161 + 21077281 = 5369^2 + 4591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12475859 + ... + 12475862.

Almost surely, 2^49903442 is an apocalyptic number.

49903442 is a deficient number, since it is larger than the sum of its proper divisors (24951724).

49903442 is a wasteful number, since it uses less digits than its factorization.

49903442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24951723.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 49903442 is about 7064.2368306845. The cubic root of 49903442 is about 368.1658485672.

The spelling of 49903442 in words is "forty-nine million, nine hundred three thousand, four hundred forty-two".