49997481 has 8 divisors (see below), whose sum is σ = 67576800. Its totient is φ = 32874912.

The previous prime is 49997473. The next prime is 49997483. The reversal of 49997481 is 18479994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49997481 - 2³ = 49997473 is a prime.

It is a super-2 number, since 2×49997481² = 4999496212690722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49997483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113931 + ... + 114368.

It is an arithmetic number, because the mean of its divisors is an integer number (8447100).

Almost surely, 2^49997481 is an apocalyptic number.

It is an amenable number.

49997481 is a deficient number, since it is larger than the sum of its proper divisors (17579319).

49997481 is a wasteful number, since it uses less digits than its factorization.

49997481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228375.

The product of its digits is 653184, while the sum is 51.

The square root of 49997481 is about 7070.8896894238. The cubic root of 49997481 is about 368.3969630432.

The spelling of 49997481 in words is "forty-nine million, nine hundred ninety-seven thousand, four hundred eighty-one".