48934781 has 20 divisors (see below), whose sum is σ = 57980700. Its totient is φ = 41291712.

The previous prime is 48934693. The next prime is 48934783. The reversal of 48934781 is 18743984.

It can be written as a sum of positive squares in 2 ways, for example, as 29052100 + 19882681 = 5390^2 + 4459^2 .

It is a de Polignac number, because none of the positive numbers 2^k-48934781 is a prime.

It is a super-2 number, since 2×48934781² = 4789225583035922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48934783) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 213575 + ... + 213803.

It is an arithmetic number, because the mean of its divisors is an integer number (2899035).

Almost surely, 2^48934781 is an apocalyptic number.

It is an amenable number.

48934781 is a deficient number, since it is larger than the sum of its proper divisors (9045919).

48934781 is an frugal number, since it uses more digits than its factorization.

48934781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 325 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 48934781 is about 6995.3399488517. The cubic root of 48934781 is about 365.7681477225.

The spelling of 48934781 in words is "forty-eight million, nine hundred thirty-four thousand, seven hundred eighty-one".