53504554 has 4 divisors (see below), whose sum is σ = 80256834. Its totient is φ = 26752276.

The previous prime is 53504537. The next prime is 53504557. The reversal of 53504554 is 45540535.

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., 49322529 + 4182025 = 7023^2 + 2045^2 .

It is not an unprimeable number, because it can be changed into a prime (53504557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13376137 + ... + 13376140.

Almost surely, 2^53504554 is an apocalyptic number.

53504554 is a deficient number, since it is larger than the sum of its proper divisors (26752280).

53504554 is a wasteful number, since it uses less digits than its factorization.

53504554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26752279.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 53504554 is about 7314.6807175707. The cubic root of 53504554 is about 376.8167932992.

The spelling of 53504554 in words is "fifty-three million, five hundred four thousand, five hundred fifty-four".