52637040 has 100 divisors (see below), whose sum is σ = 182838744. Its totient is φ = 14034816.

The previous prime is 52637033. The next prime is 52637047. The reversal of 52637040 is 4073625.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52637033) and next prime (52637047).

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

It is a junction number, because it is equal to n+sod(n) for n = 52636995 and 52637013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52637047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2419 + ... + 10541.

Almost surely, 2^52637040 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 52637040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91419372).

52637040 is an abundant number, since it is smaller than the sum of its proper divisors (130201704).

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

52637040 is a wasteful number, since it uses less digits than its factorization.

52637040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8148 (or 8133 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 52637040 is about 7255.1388684160. The cubic root of 52637040 is about 374.7691379030.

The spelling of 52637040 in words is "fifty-two million, six hundred thirty-seven thousand, forty".