53551455 has 16 divisors (see below), whose sum is σ = 86360064. Its totient is φ = 28334880.

The previous prime is 53551447. The next prime is 53551489. The reversal of 53551455 is 55415535.

53551455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53551455 - 2³ = 53551447 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 12151 + ... + 15960.

It is an arithmetic number, because the mean of its divisors is an integer number (5397504).

Almost surely, 2^53551455 is an apocalyptic number.

53551455 is a deficient number, since it is larger than the sum of its proper divisors (32808609).

53551455 is a wasteful number, since it uses less digits than its factorization.

53551455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28246.

The product of its digits is 37500, while the sum is 33.

The square root of 53551455 is about 7317.8859652225. The cubic root of 53551455 is about 376.9268644468.

The spelling of 53551455 in words is "fifty-three million, five hundred fifty-one thousand, four hundred fifty-five".