63552271 has 4 divisors (see below), whose sum is σ = 63622944. Its totient is φ = 63481600.

The previous prime is 63552241. The next prime is 63552277. The reversal of 63552271 is 17225536.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63552271 - 2⁷ = 63552143 is a prime.

It is a super-2 number, since 2×63552271² = 8077782298514882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63552277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33970 + ... + 35791.

It is an arithmetic number, because the mean of its divisors is an integer number (15905736).

Almost surely, 2^63552271 is an apocalyptic number.

63552271 is a deficient number, since it is larger than the sum of its proper divisors (70673).

63552271 is an equidigital number, since it uses as much as digits as its factorization.

63552271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70672.

The product of its digits is 12600, while the sum is 31.

The square root of 63552271 is about 7971.9678248222. The cubic root of 63552271 is about 399.0650476127.

The spelling of 63552271 in words is "sixty-three million, five hundred fifty-two thousand, two hundred seventy-one".