52689276 has 72 divisors (see below), whose sum is σ = 138041904. Its totient is φ = 16934400.

The previous prime is 52689271. The next prime is 52689277. The reversal of 52689276 is 67298625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52689271) 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, 156180 + ... + 156516.

Almost surely, 2^52689276 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 52689276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69020952).

52689276 is an abundant number, since it is smaller than the sum of its proper divisors (85352628).

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

52689276 is a wasteful number, since it uses less digits than its factorization.

52689276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 486 counting only the distinct ones).

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

The square root of 52689276 is about 7258.7379068265. The cubic root of 52689276 is about 374.8930681778.

The spelling of 52689276 in words is "fifty-two million, six hundred eighty-nine thousand, two hundred seventy-six".