50478288 has 80 divisors (see below), whose sum is σ = 156894720. Its totient is φ = 13661568.

The previous prime is 50478247. The next prime is 50478319. The reversal of 50478288 is 88287405.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431 + ... + 10337.

It is an arithmetic number, because the mean of its divisors is an integer number (1961184).

Almost surely, 2^50478288 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 50478288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78447360).

50478288 is an abundant number, since it is smaller than the sum of its proper divisors (106416432).

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

50478288 is a wasteful number, since it uses less digits than its factorization.

50478288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944 (or 7938 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 50478288 is about 7104.8073865517. The cubic root of 50478288 is about 369.5741094287.

The spelling of 50478288 in words is "fifty million, four hundred seventy-eight thousand, two hundred eighty-eight".