49103138 has 8 divisors (see below), whose sum is σ = 84176832. Its totient is φ = 21044196.

The previous prime is 49103111. The next prime is 49103141. The reversal of 49103138 is 83130194.

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

It is a super-2 number, since 2×49103138² = 4822236322894088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49103138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753670 + ... + 1753697.

It is an arithmetic number, because the mean of its divisors is an integer number (10522104).

Almost surely, 2^49103138 is an apocalyptic number.

49103138 is a deficient number, since it is larger than the sum of its proper divisors (35073694).

49103138 is a wasteful number, since it uses less digits than its factorization.

49103138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507376.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 49103138 is about 7007.3631274539. The cubic root of 49103138 is about 366.1871349350.

The spelling of 49103138 in words is "forty-nine million, one hundred three thousand, one hundred thirty-eight".