53155473 has 16 divisors (see below), whose sum is σ = 81540096. Its totient is φ = 30171600.

The previous prime is 53155471. The next prime is 53155523. The reversal of 53155473 is 37455135.

It is not a de Polignac number, because 53155473 - 2¹ = 53155471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53155471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5211 + ... + 11552.

It is an arithmetic number, because the mean of its divisors is an integer number (5096256).

Almost surely, 2^53155473 is an apocalyptic number.

It is an amenable number.

53155473 is a deficient number, since it is larger than the sum of its proper divisors (28384623).

53155473 is a wasteful number, since it uses less digits than its factorization.

53155473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16924.

The product of its digits is 31500, while the sum is 33.

The square root of 53155473 is about 7290.7799994239. The cubic root of 53155473 is about 375.9955130934.

It can be divided in two parts, 53155 and 473, that added together give a triangular number (53628 = T₃₂₇).

The spelling of 53155473 in words is "fifty-three million, one hundred fifty-five thousand, four hundred seventy-three".