53233855 has 4 divisors (see below), whose sum is σ = 63880632. Its totient is φ = 42587080.

The previous prime is 53233853. The next prime is 53233897. The reversal of 53233855 is 55833235.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53233855 - 2¹ = 53233853 is a prime.

It is a super-2 number, since 2×53233855² = 5667686636322050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53233855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53233853) 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, 5323381 + ... + 5323390.

It is an arithmetic number, because the mean of its divisors is an integer number (15970158).

Almost surely, 2^53233855 is an apocalyptic number.

53233855 is a deficient number, since it is larger than the sum of its proper divisors (10646777).

53233855 is a wasteful number, since it uses less digits than its factorization.

53233855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646776.

The product of its digits is 54000, while the sum is 34.

The square root of 53233855 is about 7296.1534386278. The cubic root of 53233855 is about 376.1802341552.

The spelling of 53233855 in words is "fifty-three million, two hundred thirty-three thousand, eight hundred fifty-five".