52637330 has 8 divisors (see below), whose sum is σ = 94747212. Its totient is φ = 21054928.

The previous prime is 52637329. The next prime is 52637339. The reversal of 52637330 is 3373625.

It can be written as a sum of positive squares in 2 ways, for example, as 52027369 + 609961 = 7213^2 + 781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52637293 and 52637302.

It is not an unprimeable number, because it can be changed into a prime (52637339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2631857 + ... + 2631876.

Almost surely, 2^52637330 is an apocalyptic number.

52637330 is a deficient number, since it is larger than the sum of its proper divisors (42109882).

52637330 is a wasteful number, since it uses less digits than its factorization.

52637330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263740.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 52637330 is about 7255.1588542223. The cubic root of 52637330 is about 374.7698261563.

The spelling of 52637330 in words is "fifty-two million, six hundred thirty-seven thousand, three hundred thirty".