63455475 has 48 divisors (see below), whose sum is σ = 112144608. Its totient is φ = 31549440.

The previous prime is 63455467. The next prime is 63455477. The reversal of 63455475 is 57455436.

It is not a de Polignac number, because 63455475 - 2³ = 63455467 is a prime.

Its product of digits (252000) is a multiple of the sum of its prime factors (504).

It is not an unprimeable number, because it can be changed into a prime (63455477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200017 + ... + 200333.

It is an arithmetic number, because the mean of its divisors is an integer number (2336346).

Almost surely, 2^63455475 is an apocalyptic number.

63455475 is a deficient number, since it is larger than the sum of its proper divisors (48689133).

63455475 is a wasteful number, since it uses less digits than its factorization.

63455475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 499 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The square root of 63455475 is about 7965.8944883798. The cubic root of 63455475 is about 398.8623403103.

Subtracting from 63455475 its sum of digits (39), we obtain a palindrome (63455436).

The spelling of 63455475 in words is "sixty-three million, four hundred fifty-five thousand, four hundred seventy-five".