49659903 has 6 divisors (see below), whose sum is σ = 71730984. Its totient is φ = 33106596.

The previous prime is 49659899. The next prime is 49659943. The reversal of 49659903 is 30995694.

It is a happy number.

It is not a de Polignac number, because 49659903 - 2² = 49659899 is a prime.

It is a super-2 number, since 2×49659903² = 4932211931938818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49659943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2758875 + ... + 2758892.

It is an arithmetic number, because the mean of its divisors is an integer number (11955164).

Almost surely, 2^49659903 is an apocalyptic number.

49659903 is a deficient number, since it is larger than the sum of its proper divisors (22071081).

49659903 is a wasteful number, since it uses less digits than its factorization.

49659903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517773 (or 5517770 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 49659903 is about 7046.9782886000. The cubic root of 49659903 is about 367.5659634474.

The spelling of 49659903 in words is "forty-nine million, six hundred fifty-nine thousand, nine hundred three".