53773855 has 4 divisors (see below), whose sum is σ = 64528632. Its totient is φ = 43019080.

The previous prime is 53773849. The next prime is 53773891. The reversal of 53773855 is 55837735.

53773855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53773855 - 2³ = 53773847 is a prime.

It is a super-2 number, since 2×53773855² = 5783254963122050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377381 + ... + 5377390.

It is an arithmetic number, because the mean of its divisors is an integer number (16132158).

Almost surely, 2^53773855 is an apocalyptic number.

53773855 is a deficient number, since it is larger than the sum of its proper divisors (10754777).

53773855 is a wasteful number, since it uses less digits than its factorization.

53773855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754776.

The product of its digits is 441000, while the sum is 43.

The square root of 53773855 is about 7333.0658663345. The cubic root of 53773855 is about 377.4479380859.

The spelling of 53773855 in words is "fifty-three million, seven hundred seventy-three thousand, eight hundred fifty-five".