63423554 has 4 divisors (see below), whose sum is σ = 95135334. Its totient is φ = 31711776.

The previous prime is 63423541. The next prime is 63423571. The reversal of 63423554 is 45532436.

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

It can be written as a sum of positive squares in only one way, i.e., 61387225 + 2036329 = 7835^2 + 1427^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63423554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15855887 + ... + 15855890.

Almost surely, 2^63423554 is an apocalyptic number.

63423554 is a deficient number, since it is larger than the sum of its proper divisors (31711780).

63423554 is a wasteful number, since it uses less digits than its factorization.

63423554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31711779.

The product of its digits is 43200, while the sum is 32.

The square root of 63423554 is about 7963.8906320969. The cubic root of 63423554 is about 398.7954471053.

The spelling of 63423554 in words is "sixty-three million, four hundred twenty-three thousand, five hundred fifty-four".