49263381 has 6 divisors (see below), whose sum is σ = 71158230. Its totient is φ = 32842248.

The previous prime is 49263377. The next prime is 49263413. The reversal of 49263381 is 18336294.

It can be written as a sum of positive squares in only one way, i.e., 38862756 + 10400625 = 6234^2 + 3225^2 .

It is not a de Polignac number, because 49263381 - 2² = 49263377 is a prime.

It is a super-2 number, since 2×49263381² = 4853761415102322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49263301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2736846 + ... + 2736863.

It is an arithmetic number, because the mean of its divisors is an integer number (11859705).

Almost surely, 2^49263381 is an apocalyptic number.

It is an amenable number.

49263381 is a deficient number, since it is larger than the sum of its proper divisors (21894849).

49263381 is a wasteful number, since it uses less digits than its factorization.

49263381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473715 (or 5473712 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 49263381 is about 7018.7877158381. The cubic root of 49263381 is about 366.5850403239.

The spelling of 49263381 in words is "forty-nine million, two hundred sixty-three thousand, three hundred eighty-one".