5021421552 has 160 divisors (see below), whose sum is σ = 16917964800. Its totient is φ = 1395885312.

The previous prime is 5021421541. The next prime is 5021421569. The reversal of 5021421552 is 2551241205.

5021421552 is a `hidden beast` number, since 50 + 21 + 42 + 1 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89449 + ... + 134327.

It is an arithmetic number, because the mean of its divisors is an integer number (105737280).

Almost surely, 2^5021421552 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 5021421552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8458982400).

5021421552 is an abundant number, since it is smaller than the sum of its proper divisors (11896543248).

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

5021421552 is a wasteful number, since it uses less digits than its factorization.

5021421552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44940 (or 44928 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5021421552 is about 70861.9894724951. The cubic root of 5021421552 is about 1712.4144900703.

Adding to 5021421552 its reverse (2551241205), we get a palindrome (7572662757).

The spelling of 5021421552 in words is "five billion, twenty-one million, four hundred twenty-one thousand, five hundred fifty-two".