53213836 has 24 divisors (see below), whose sum is σ = 100865520. Its totient is φ = 24418752.

The previous prime is 53213827. The next prime is 53213857. The reversal of 53213836 is 63831235.

It is a junction number, because it is equal to n+sod(n) for n = 53213798 and 53213807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6450 + ... + 12166.

It is an arithmetic number, because the mean of its divisors is an integer number (4202730).

Almost surely, 2^53213836 is an apocalyptic number.

It is an amenable number.

53213836 is a deficient number, since it is larger than the sum of its proper divisors (47651684).

53213836 is a wasteful number, since it uses less digits than its factorization.

53213836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913 (or 5911 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 53213836 is about 7294.7814223594. The cubic root of 53213836 is about 376.1330730876.

The spelling of 53213836 in words is "fifty-three million, two hundred thirteen thousand, eight hundred thirty-six".