50121544 has 64 divisors (see below), whose sum is σ = 111513600. Its totient is φ = 20865600.

The previous prime is 50121529. The next prime is 50121571. The reversal of 50121544 is 44512105.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 51349 + ... + 52315.

It is an arithmetic number, because the mean of its divisors is an integer number (1742400).

Almost surely, 2^50121544 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 50121544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55756800).

50121544 is an abundant number, since it is smaller than the sum of its proper divisors (61392056).

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

50121544 is a wasteful number, since it uses less digits than its factorization.

50121544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 50121544 is about 7079.6570538410. The cubic root of 50121544 is about 368.7014229221.

Adding to 50121544 its reverse (44512105), we get a palindrome (94633649).

It can be divided in two parts, 5012 and 1544, that added together give a palindrome (6556).

The spelling of 50121544 in words is "fifty million, one hundred twenty-one thousand, five hundred forty-four".