52493760 has 168 divisors, whose sum is σ = 197089776. Its totient is φ = 12718080.

The previous prime is 52493759. The next prime is 52493761. The reversal of 52493760 is 6739425.

It is an interprime number because it is at equal distance from previous prime (52493759) and next prime (52493761).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52493761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30852 + ... + 32508.

Almost surely, 2^52493760 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 52493760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98544888).

52493760 is an abundant number, since it is smaller than the sum of its proper divisors (144596016).

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

52493760 is a wasteful number, since it uses less digits than its factorization.

52493760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 52493760 is about 7245.2577593899. The cubic root of 52493760 is about 374.4287836735.

It can be divided in two parts, 5249 and 3760, that added together give a palindrome (9009).

The spelling of 52493760 in words is "fifty-two million, four hundred ninety-three thousand, seven hundred sixty".