49997901 has 16 divisors (see below), whose sum is σ = 72309888. Its totient is φ = 30604800.

The previous prime is 49997897. The next prime is 49997903. The reversal of 49997901 is 10979994.

It is not a de Polignac number, because 49997901 - 2² = 49997897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49997903) 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, 9865 + ... + 14046.

It is an arithmetic number, because the mean of its divisors is an integer number (4519368).

Almost surely, 2^49997901 is an apocalyptic number.

49997901 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

49997901 is a deficient number, since it is larger than the sum of its proper divisors (22311987).

49997901 is a wasteful number, since it uses less digits than its factorization.

49997901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23972.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 49997901 is about 7070.9193885944. The cubic root of 49997901 is about 368.3979946038.

The spelling of 49997901 in words is "forty-nine million, nine hundred ninety-seven thousand, nine hundred one".