49997331 has 40 divisors (see below), whose sum is σ = 79732224. Its totient is φ = 31149360.

The previous prime is 49997317. The next prime is 49997351. The reversal of 49997331 is 13379994.

It is not a de Polignac number, because 49997331 - 2⁶ = 49997267 is a prime.

It is a super-2 number, since 2×49997331² = 4999466214247122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49997351) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87276 + ... + 87846.

Almost surely, 2^49997331 is an apocalyptic number.

49997331 is a deficient number, since it is larger than the sum of its proper divisors (29734893).

49997331 is a wasteful number, since it uses less digits than its factorization.

49997331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 644 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 49997331 is about 7070.8790825470. The cubic root of 49997331 is about 368.3965946274.

The spelling of 49997331 in words is "forty-nine million, nine hundred ninety-seven thousand, three hundred thirty-one".