52743630 has 64 divisors (see below), whose sum is σ = 131035968. Its totient is φ = 13578240.

The previous prime is 52743629. The next prime is 52743631. The reversal of 52743630 is 3634725.

It is an interprime number because it is at equal distance from previous prime (52743629) and next prime (52743631).

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52743631) 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, 168354 + ... + 168666.

It is an arithmetic number, because the mean of its divisors is an integer number (2047437).

Almost surely, 2^52743630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52743630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65517984).

52743630 is an abundant number, since it is smaller than the sum of its proper divisors (78292338).

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

52743630 is a wasteful number, since it uses less digits than its factorization.

52743630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501.

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

The square root of 52743630 is about 7262.4809810422. The cubic root of 52743630 is about 375.0219364945.

The spelling of 52743630 in words is "fifty-two million, seven hundred forty-three thousand, six hundred thirty".