66053235 has 16 divisors (see below), whose sum is σ = 106273440. Its totient is φ = 35032320.

The previous prime is 66053233. The next prime is 66053249. The reversal of 66053235 is 53235066.

It is not a de Polignac number, because 66053235 - 2¹ = 66053233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66053231) 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, 9450 + ... + 14879.

It is an arithmetic number, because the mean of its divisors is an integer number (6642090).

Almost surely, 2^66053235 is an apocalyptic number.

66053235 is a deficient number, since it is larger than the sum of its proper divisors (40220205).

66053235 is a wasteful number, since it uses less digits than its factorization.

66053235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24518.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 66053235 is about 8127.3141319873. The cubic root of 66053235 is about 404.2326271109.

The spelling of 66053235 in words is "sixty-six million, fifty-three thousand, two hundred thirty-five".