49981401 has 8 divisors (see below), whose sum is σ = 74046560. Its totient is φ = 33320916.

The previous prime is 49981391. The next prime is 49981409. The reversal of 49981401 is 10418994.

It is not a de Polignac number, because 49981401 - 2¹⁷ = 49850329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49981409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925555 + ... + 925608.

It is an arithmetic number, because the mean of its divisors is an integer number (9255820).

Almost surely, 2^49981401 is an apocalyptic number.

It is an amenable number.

49981401 is a deficient number, since it is larger than the sum of its proper divisors (24065159).

49981401 is a wasteful number, since it uses less digits than its factorization.

49981401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851172 (or 1851166 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 49981401 is about 7069.7525416382. The cubic root of 49981401 is about 368.3574646643.

The spelling of 49981401 in words is "forty-nine million, nine hundred eighty-one thousand, four hundred one".