50525540 has 48 divisors (see below), whose sum is σ = 118223280. Its totient is φ = 18009600.

The previous prime is 50525539. The next prime is 50525551. The reversal of 50525540 is 4552505.

It can be written as a sum of positive squares in 8 ways, for example, as 4502884 + 46022656 = 2122^2 + 6784^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 4190 + ... + 10890.

It is an arithmetic number, because the mean of its divisors is an integer number (2462985).

Almost surely, 2^50525540 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 50525540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59111640).

50525540 is an abundant number, since it is smaller than the sum of its proper divisors (67697740).

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

50525540 is a wasteful number, since it uses less digits than its factorization.

50525540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752 (or 6750 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 50525540 is about 7108.1319627593. The cubic root of 50525540 is about 369.6893911360.

The spelling of 50525540 in words is "fifty million, five hundred twenty-five thousand, five hundred forty".