50115072 has 160 divisors (see below), whose sum is σ = 157132800. Its totient is φ = 13897728.

The previous prime is 50115071. The next prime is 50115073. The reversal of 50115072 is 27051105.

It is an interprime number because it is at equal distance from previous prime (50115071) and next prime (50115073).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50115071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634329 + ... + 634407.

It is an arithmetic number, because the mean of its divisors is an integer number (982080).

Almost surely, 2^50115072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50115072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78566400).

50115072 is an abundant number, since it is smaller than the sum of its proper divisors (107017728).

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

50115072 is an equidigital number, since it uses as much as digits as its factorization.

50115072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 50115072 is about 7079.1999547972. The cubic root of 50115072 is about 368.6855525788.

Adding to 50115072 its reverse (27051105), we get a palindrome (77166177).

The spelling of 50115072 in words is "fifty million, one hundred fifteen thousand, seventy-two".