48494381 has 8 divisors (see below), whose sum is σ = 52536120. Its totient is φ = 44762016.

The previous prime is 48494377. The next prime is 48494389. The reversal of 48494381 is 18349484.

It can be written as a sum of positive squares in 4 ways, for example, as 3724900 + 44769481 = 1930^2 + 6691^2 .

It is not a de Polignac number, because 48494381 - 2² = 48494377 is a prime.

It is a super-2 number, since 2×48494381² = 4703409977146322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48494389) 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, 8840 + ... + 13233.

It is an arithmetic number, because the mean of its divisors is an integer number (6567015).

Almost surely, 2^48494381 is an apocalyptic number.

It is an amenable number.

48494381 is a deficient number, since it is larger than the sum of its proper divisors (4041739).

48494381 is an equidigital number, since it uses as much as digits as its factorization.

48494381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22112 (or 22086 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 48494381 is about 6963.7907062174. The cubic root of 48494381 is about 364.6675674655.

The spelling of 48494381 in words is "forty-eight million, four hundred ninety-four thousand, three hundred eighty-one".