50120381 has 16 divisors (see below), whose sum is σ = 54552960. Its totient is φ = 45904320.

The previous prime is 50120353. The next prime is 50120387. The reversal of 50120381 is 18302105.

It is not a de Polignac number, because 50120381 - 2¹⁰ = 50119357 is a prime.

It is a super-2 number, since 2×50120381² = 5024105183170322, 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 (50120387) 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 15 ways as a sum of consecutive naturals, for example, 108491 + ... + 108951.

It is an arithmetic number, because the mean of its divisors is an integer number (3409560).

Almost surely, 2^50120381 is an apocalyptic number.

It is an amenable number.

50120381 is a deficient number, since it is larger than the sum of its proper divisors (4432579).

50120381 is a wasteful number, since it uses less digits than its factorization.

50120381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 50120381 is about 7079.5749166175. The cubic root of 50120381 is about 368.6985711672.

Adding to 50120381 its reverse (18302105), we get a palindrome (68422486).

The spelling of 50120381 in words is "fifty million, one hundred twenty thousand, three hundred eighty-one".