52238636 has 12 divisors (see below), whose sum is σ = 93543912. Its totient is φ = 25511808.

The previous prime is 52238617. The next prime is 52238647. The reversal of 52238636 is 63683225.

It is a super-2 number, since 2×52238636² = 5457750182280992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52238596 and 52238605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151685 + ... + 152028.

It is an arithmetic number, because the mean of its divisors is an integer number (7795326).

Almost surely, 2^52238636 is an apocalyptic number.

It is an amenable number.

52238636 is a deficient number, since it is larger than the sum of its proper divisors (41305276).

52238636 is a wasteful number, since it uses less digits than its factorization.

52238636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303760 (or 303758 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 52238636 is about 7227.6300403383. The cubic root of 52238636 is about 373.8212134114.

The spelling of 52238636 in words is "fifty-two million, two hundred thirty-eight thousand, six hundred thirty-six".