53722200 has 96 divisors (see below), whose sum is σ = 190344960. Its totient is φ = 12278400.

The previous prime is 53722199. The next prime is 53722213. The reversal of 53722200 is 222735.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2196 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (1982760).

Almost surely, 2^53722200 is an apocalyptic number.

53722200 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 53722200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95172480).

53722200 is an abundant number, since it is smaller than the sum of its proper divisors (136622760).

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

53722200 is a wasteful number, since it uses less digits than its factorization.

53722200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12817 (or 12808 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 53722200 is about 7329.5429598304. The cubic root of 53722200 is about 377.3270409230.

Adding to 53722200 its reverse (222735), we get a palindrome (53944935).

The spelling of 53722200 in words is "fifty-three million, seven hundred twenty-two thousand, two hundred".