53772210 has 48 divisors (see below), whose sum is σ = 142458264. Its totient is φ = 14067456.

The previous prime is 53772203. The next prime is 53772217. The reversal of 53772210 is 1227735.

It is an interprime number because it is at equal distance from previous prime (53772203) and next prime (53772217).

It can be written as a sum of positive squares in 4 ways, for example, as 42341049 + 11431161 = 6507^2 + 3381^2 .

It is not an unprimeable number, because it can be changed into a prime (53772217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867 + ... + 10406.

Almost surely, 2^53772210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53772210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71229132).

53772210 is an abundant number, since it is smaller than the sum of its proper divisors (88686054).

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

53772210 is a wasteful number, since it uses less digits than its factorization.

53772210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339 (or 11336 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 53772210 is about 7332.9537022949. The cubic root of 53772210 is about 377.4440892007. Note that the first 3 decimals are identical.

Adding to 53772210 its reverse (1227735), we get a palindrome (54999945).

The spelling of 53772210 in words is "fifty-three million, seven hundred seventy-two thousand, two hundred ten".