50781038 has 48 divisors (see below), whose sum is σ = 98875392. Its totient is φ = 19126800.

The previous prime is 50781037. The next prime is 50781043. The reversal of 50781038 is 83018705.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 50780995 and 50781013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50781037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52031 + ... + 52997.

It is an arithmetic number, because the mean of its divisors is an integer number (2059904).

Almost surely, 2^50781038 is an apocalyptic number.

50781038 is a deficient number, since it is larger than the sum of its proper divisors (48094354).

50781038 is a wasteful number, since it uses less digits than its factorization.

50781038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 50781038 is about 7126.0815319501. The cubic root of 50781038 is about 370.3114932278.

It can be divided in two parts, 5078 and 1038, that added together give a palindrome (6116).

The spelling of 50781038 in words is "fifty million, seven hundred eighty-one thousand, thirty-eight".