50031072 has 288 divisors, whose sum is σ = 184923648. Its totient is φ = 12469248.

The previous prime is 50031053. The next prime is 50031101. The reversal of 50031072 is 27013005.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 602743 + ... + 602825.

It is an arithmetic number, because the mean of its divisors is an integer number (642096).

Almost surely, 2^50031072 is an apocalyptic number.

50031072 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50031072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92461824).

50031072 is an abundant number, since it is smaller than the sum of its proper divisors (134892576).

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

50031072 is a wasteful number, since it uses less digits than its factorization.

50031072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 50031072 is about 7073.2645928171. The cubic root of 50031072 is about 368.4794475459.

Adding to 50031072 its reverse (27013005), we get a palindrome (77044077).

The spelling of 50031072 in words is "fifty million, thirty-one thousand, seventy-two".