52211400 has 96 divisors (see below), whose sum is σ = 163114560. Its totient is φ = 13815040.

The previous prime is 52211389. The next prime is 52211443. The reversal of 52211400 is 411225.

52211400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 52211400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103549 + ... + 104051.

It is an arithmetic number, because the mean of its divisors is an integer number (1699110).

Almost surely, 2^52211400 is an apocalyptic number.

52211400 is a gapful number since it is divisible by the number (50) 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 52211400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81557280).

52211400 is an abundant number, since it is smaller than the sum of its proper divisors (110903160).

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

52211400 is a wasteful number, since it uses less digits than its factorization.

52211400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 52211400 is about 7225.7456362648. The cubic root of 52211400 is about 373.7562349120.

Adding to 52211400 its reverse (411225), we get a palindrome (52622625).

The spelling of 52211400 in words is "fifty-two million, two hundred eleven thousand, four hundred".