49690797 has 16 divisors (see below), whose sum is σ = 72871680. Its totient is φ = 29927232.

The previous prime is 49690793. The next prime is 49690801. The reversal of 49690797 is 79709694.

It is an interprime number because it is at equal distance from previous prime (49690793) and next prime (49690801).

It is not a de Polignac number, because 49690797 - 2² = 49690793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49690793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11722 + ... + 15387.

It is an arithmetic number, because the mean of its divisors is an integer number (4554480).

Almost surely, 2^49690797 is an apocalyptic number.

49690797 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

49690797 is a deficient number, since it is larger than the sum of its proper divisors (23180883).

49690797 is a wasteful number, since it uses less digits than its factorization.

49690797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27172.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 49690797 is about 7049.1699511361. The cubic root of 49690797 is about 367.6421699923.

The spelling of 49690797 in words is "forty-nine million, six hundred ninety thousand, seven hundred ninety-seven".