52746330 has 96 divisors (see below), whose sum is σ = 156933504. Its totient is φ = 11048832.

The previous prime is 52746329. The next prime is 52746373. The reversal of 52746330 is 3364725.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379401 + ... + 379539.

It is an arithmetic number, because the mean of its divisors is an integer number (1634724).

Almost surely, 2^52746330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52746330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78466752).

52746330 is an abundant number, since it is smaller than the sum of its proper divisors (104187174).

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

52746330 is a wasteful number, since it uses less digits than its factorization.

52746330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 52746330 is about 7262.6668655529. Note that the first 3 decimals coincide. The cubic root of 52746330 is about 375.0283356366.

The spelling of 52746330 in words is "fifty-two million, seven hundred forty-six thousand, three hundred thirty".