52214040 has 96 divisors (see below), whose sum is σ = 173693520. Its totient is φ = 13595904.

The previous prime is 52214017. The next prime is 52214047. The reversal of 52214040 is 4041225.

52214040 is a `hidden beast` number, since 522 + 140 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52214047) 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, 13794 + ... + 17166.

Almost surely, 2^52214040 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 52214040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86846760).

52214040 is an abundant number, since it is smaller than the sum of its proper divisors (121479480).

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

52214040 is a wasteful number, since it uses less digits than its factorization.

52214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433 (or 3426 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 52214040 is about 7225.9283140646. The cubic root of 52214040 is about 373.7625343015.

Adding to 52214040 its reverse (4041225), we get a palindrome (56255265).

It can be divided in two parts, 5221 and 4040, that added together give a cube (9261 = 21³).

The spelling of 52214040 in words is "fifty-two million, two hundred fourteen thousand, forty".