52769340 has 96 divisors (see below), whose sum is σ = 176823360. Its totient is φ = 12987648.

The previous prime is 52769329. The next prime is 52769341. The reversal of 52769340 is 4396725.

52769340 is a `hidden beast` number, since 527 + 6 + 93 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52769295 and 52769304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52769341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3262 + ... + 10778.

It is an arithmetic number, because the mean of its divisors is an integer number (1841910).

Almost surely, 2^52769340 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 52769340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88411680).

52769340 is an abundant number, since it is smaller than the sum of its proper divisors (124054020).

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

52769340 is a wasteful number, since it uses less digits than its factorization.

52769340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548 (or 7540 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 52769340 is about 7264.2508216608. The cubic root of 52769340 is about 375.0828616892.

The spelling of 52769340 in words is "fifty-two million, seven hundred sixty-nine thousand, three hundred forty".