50178042 has 72 divisors (see below), whose sum is σ = 119429856. Its totient is φ = 15760008.

The previous prime is 50178001. The next prime is 50178047. The reversal of 50178042 is 24087105.

50178042 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50177997 and 50178015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50178047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 748893 + ... + 748959.

It is an arithmetic number, because the mean of its divisors is an integer number (1658748).

Almost surely, 2^50178042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50178042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59714928).

50178042 is an abundant number, since it is smaller than the sum of its proper divisors (69251814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50178042 is an equidigital number, since it uses as much as digits as its factorization.

50178042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 50178042 is about 7083.6460950559. The cubic root of 50178042 is about 368.8399067571.

The spelling of 50178042 in words is "fifty million, one hundred seventy-eight thousand, forty-two".