49903497 has 12 divisors (see below), whose sum is σ = 82380480. Its totient is φ = 28516248.

The previous prime is 49903423. The next prime is 49903499. The reversal of 49903497 is 79430994.

It is not a de Polignac number, because 49903497 - 2²⁴ = 33126281 is a prime.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 395997 + ... + 396122.

It is an arithmetic number, because the mean of its divisors is an integer number (6865040).

Almost surely, 2^49903497 is an apocalyptic number.

It is an amenable number.

49903497 is a deficient number, since it is larger than the sum of its proper divisors (32476983).

49903497 is a wasteful number, since it uses less digits than its factorization.

49903497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792132 (or 792129 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 49903497 is about 7064.2407235314. The cubic root of 49903497 is about 368.1659838225.

The spelling of 49903497 in words is "forty-nine million, nine hundred three thousand, four hundred ninety-seven".