50729472 has 120 divisors (see below), whose sum is σ = 149214780. Its totient is φ = 16588800.

The previous prime is 50729461. The next prime is 50729473. The reversal of 50729472 is 27492705.

It can be written as a sum of positive squares in 2 ways, for example, as 43243776 + 7485696 = 6576^2 + 2736^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (50729473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465354 + ... + 465462.

Almost surely, 2^50729472 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 50729472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74607390).

50729472 is an abundant number, since it is smaller than the sum of its proper divisors (98485308).

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

50729472 is a wasteful number, since it uses less digits than its factorization.

50729472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 50729472 is about 7122.4624955138. The cubic root of 50729472 is about 370.1861055476.

The spelling of 50729472 in words is "fifty million, seven hundred twenty-nine thousand, four hundred seventy-two".