52742864 has 40 divisors (see below), whose sum is σ = 107201472. Its totient is φ = 25090560.

The previous prime is 52742861. The next prime is 52742903. The reversal of 52742864 is 46824725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52742861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121592 + ... + 122024.

Almost surely, 2^52742864 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 52742864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53600736).

52742864 is an abundant number, since it is smaller than the sum of its proper divisors (54458608).

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

52742864 is a wasteful number, since it uses less digits than its factorization.

52742864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 789 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 52742864 is about 7262.4282440517. The cubic root of 52742864 is about 375.0201209944.

The spelling of 52742864 in words is "fifty-two million, seven hundred forty-two thousand, eight hundred sixty-four".