63538554 has 16 divisors (see below), whose sum is σ = 134552448. Its totient is φ = 19933632.

The previous prime is 63538547. The next prime is 63538577. The reversal of 63538554 is 45583536.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311362 + ... + 311565.

It is an arithmetic number, because the mean of its divisors is an integer number (8409528).

Almost surely, 2^63538554 is an apocalyptic number.

63538554 is an abundant number, since it is smaller than the sum of its proper divisors (71013894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63538554 is a wasteful number, since it uses less digits than its factorization.

63538554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622949.

The product of its digits is 216000, while the sum is 39.

The square root of 63538554 is about 7971.1074512893. The cubic root of 63538554 is about 399.0363344026.

The spelling of 63538554 in words is "sixty-three million, five hundred thirty-eight thousand, five hundred fifty-four".