52429720 has 64 divisors (see below), whose sum is σ = 137401920. Its totient is φ = 17631744.

The previous prime is 52429687. The next prime is 52429733. The reversal of 52429720 is 2792425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13074 + ... + 16606.

It is an arithmetic number, because the mean of its divisors is an integer number (2146905).

Almost surely, 2^52429720 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 52429720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68700960).

52429720 is an abundant number, since it is smaller than the sum of its proper divisors (84972200).

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

52429720 is a wasteful number, since it uses less digits than its factorization.

52429720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 52429720 is about 7240.8369681964. The cubic root of 52429720 is about 374.2764596844.

The spelling of 52429720 in words is "fifty-two million, four hundred twenty-nine thousand, seven hundred twenty".