52731436 has 12 divisors (see below), whose sum is σ = 92471400. Its totient is φ = 26311040.

The previous prime is 52731421. The next prime is 52731439. The reversal of 52731436 is 63413725.

It is a junction number, because it is equal to n+sod(n) for n = 52731398 and 52731407.

It is not an unprimeable number, because it can be changed into a prime (52731439) 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, 11461 + ... + 15388.

It is an arithmetic number, because the mean of its divisors is an integer number (7705950).

Almost surely, 2^52731436 is an apocalyptic number.

It is an amenable number.

52731436 is a deficient number, since it is larger than the sum of its proper divisors (39739964).

52731436 is a wasteful number, since it uses less digits than its factorization.

52731436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27344 (or 27342 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 52731436 is about 7261.6414122428. The cubic root of 52731436 is about 374.9930333521.

The spelling of 52731436 in words is "fifty-two million, seven hundred thirty-one thousand, four hundred thirty-six".