52463840 has 96 divisors (see below), whose sum is σ = 145678176. Its totient is φ = 17602560.

The previous prime is 52463839. The next prime is 52463849. The reversal of 52463840 is 4836425.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 52463797 and 52463806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52463849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21734 + ... + 24026.

It is an arithmetic number, because the mean of its divisors is an integer number (1517481).

Almost surely, 2^52463840 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 52463840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72839088).

52463840 is an abundant number, since it is smaller than the sum of its proper divisors (93214336).

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

52463840 is a wasteful number, since it uses less digits than its factorization.

52463840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 52463840 is about 7243.1926662212. The cubic root of 52463840 is about 374.3576321162.

The spelling of 52463840 in words is "fifty-two million, four hundred sixty-three thousand, eight hundred forty".