52422552 has 240 divisors, whose sum is σ = 185391360. Its totient is φ = 13716864.

The previous prime is 52422533. The next prime is 52422553. The reversal of 52422552 is 25522425.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52422553) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 412713 + ... + 412839.

It is an arithmetic number, because the mean of its divisors is an integer number (772464).

Almost surely, 2^52422552 is an apocalyptic number.

52422552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52422552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92695680).

52422552 is an abundant number, since it is smaller than the sum of its proper divisors (132968808).

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

52422552 is a wasteful number, since it uses less digits than its factorization.

52422552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 152 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 52422552 is about 7240.3419808736. The cubic root of 52422552 is about 374.2594023365.

Adding to 52422552 its reverse (25522425), we get a palindrome (77944977).

The spelling of 52422552 in words is "fifty-two million, four hundred twenty-two thousand, five hundred fifty-two".