52443720 has 192 divisors, whose sum is σ = 203558400. Its totient is φ = 11975040.

The previous prime is 52443719. The next prime is 52443731. The reversal of 52443720 is 2734425.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 52425 + ... + 53415.

It is an arithmetic number, because the mean of its divisors is an integer number (1060200).

Almost surely, 2^52443720 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 52443720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101779200).

52443720 is an abundant number, since it is smaller than the sum of its proper divisors (151114680).

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

52443720 is a wasteful number, since it uses less digits than its factorization.

52443720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 52443720 is about 7241.8036427398. The cubic root of 52443720 is about 374.3097703342.

It can be divided in two parts, 524 and 43720, that added together give a palindrome (44244).

The spelling of 52443720 in words is "fifty-two million, four hundred forty-three thousand, seven hundred twenty".