52637380 has 48 divisors (see below), whose sum is σ = 115766784. Its totient is φ = 20079360.

The previous prime is 52637371. The next prime is 52637393. The reversal of 52637380 is 8373625.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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, 44679 + ... + 45841.

It is an arithmetic number, because the mean of its divisors is an integer number (2411808).

Almost surely, 2^52637380 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 52637380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57883392).

52637380 is an abundant number, since it is smaller than the sum of its proper divisors (63129404).

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

52637380 is a wasteful number, since it uses less digits than its factorization.

52637380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 52637380 is about 7255.1623000454. The cubic root of 52637380 is about 374.7699448204.

The spelling of 52637380 in words is "fifty-two million, six hundred thirty-seven thousand, three hundred eighty".