66052455 has 64 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 28256256.

The previous prime is 66052439. The next prime is 66052477. The reversal of 66052455 is 55425066.

It is a happy number.

It is not a de Polignac number, because 66052455 - 2⁴ = 66052439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225289 + ... + 225581.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^66052455 is an apocalyptic number.

66052455 is a deficient number, since it is larger than the sum of its proper divisors (62648985).

66052455 is a wasteful number, since it uses less digits than its factorization.

66052455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 66052455 is about 8127.2661455129. The cubic root of 66052455 is about 404.2310359564.

The spelling of 66052455 in words is "sixty-six million, fifty-two thousand, four hundred fifty-five".