50372281 has 8 divisors (see below), whose sum is σ = 52086600. Its totient is φ = 48676608.

The previous prime is 50372269. The next prime is 50372291. The reversal of 50372281 is 18227305.

It can be written as a sum of positive squares in 4 ways, for example, as 189225 + 50183056 = 435^2 + 7084^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-50372281 is a prime.

It is a super-2 number, since 2×50372281² = 5074733386285922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50372261) 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, 945 + ... + 10081.

It is an arithmetic number, because the mean of its divisors is an integer number (6510825).

Almost surely, 2^50372281 is an apocalyptic number.

It is an amenable number.

50372281 is a deficient number, since it is larger than the sum of its proper divisors (1714319).

50372281 is a wasteful number, since it uses less digits than its factorization.

50372281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 50372281 is about 7097.3432353240. The cubic root of 50372281 is about 369.3152199068.

Adding to 50372281 its reverse (18227305), we get a palindrome (68599586).

It can be divided in two parts, 50372 and 281, that added together give a cube (50653 = 37³).

The spelling of 50372281 in words is "fifty million, three hundred seventy-two thousand, two hundred eighty-one".