49431481 has 8 divisors (see below), whose sum is σ = 54123264. Its totient is φ = 44772720.

The previous prime is 49431479. The next prime is 49431493. The reversal of 49431481 is 18413494.

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

It is a cyclic number.

It is not a de Polignac number, because 49431481 - 2¹ = 49431479 is a prime.

It is a super-2 number, since 2×49431481² = 4886942627706722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49431581) 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, 5065 + ... + 11158.

It is an arithmetic number, because the mean of its divisors is an integer number (6765408).

Almost surely, 2^49431481 is an apocalyptic number.

It is an amenable number.

49431481 is a deficient number, since it is larger than the sum of its proper divisors (4691783).

49431481 is a wasteful number, since it uses less digits than its factorization.

49431481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16511.

The product of its digits is 13824, while the sum is 34.

The square root of 49431481 is about 7030.7525201788. The cubic root of 49431481 is about 367.0015294430.

The spelling of 49431481 in words is "forty-nine million, four hundred thirty-one thousand, four hundred eighty-one".