52973388 has 54 divisors (see below), whose sum is σ = 145014324. Its totient is φ = 16297632.

The previous prime is 52973359. The next prime is 52973413. The reversal of 52973388 is 88337925.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1731 + ... + 10437.

Almost surely, 2^52973388 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 52973388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72507162).

52973388 is an abundant number, since it is smaller than the sum of its proper divisors (92040936).

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

52973388 is a wasteful number, since it uses less digits than its factorization.

52973388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8743 (or 8725 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 52973388 is about 7278.2819401285. The cubic root of 52973388 is about 375.5656955404.

It can be divided in two parts, 52973 and 388, that added together give a square (53361 = 231²).

The spelling of 52973388 in words is "fifty-two million, nine hundred seventy-three thousand, three hundred eighty-eight".