53120855 has 4 divisors (see below), whose sum is σ = 63745032. Its totient is φ = 42496680.

The previous prime is 53120839. The next prime is 53120891. The reversal of 53120855 is 55802135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55802135 = 5 ⋅11160427.

It is not a de Polignac number, because 53120855 - 2⁴ = 53120839 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5312081 + ... + 5312090.

It is an arithmetic number, because the mean of its divisors is an integer number (15936258).

Almost surely, 2^53120855 is an apocalyptic number.

53120855 is a deficient number, since it is larger than the sum of its proper divisors (10624177).

53120855 is a wasteful number, since it uses less digits than its factorization.

53120855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624176.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 53120855 is about 7288.4055183558. The cubic root of 53120855 is about 375.9138718337.

The spelling of 53120855 in words is "fifty-three million, one hundred twenty thousand, eight hundred fifty-five".