53505554 has 8 divisors (see below), whose sum is σ = 81160380. Its totient is φ = 26452096.

The previous prime is 53505553. The next prime is 53505559. The reversal of 53505554 is 45550535.

It can be written as a sum of positive squares in 2 ways, for example, as 51480625 + 2024929 = 7175^2 + 1423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53505554.

It is not an unprimeable number, because it can be changed into a prime (53505553) 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 in 3 ways as a sum of consecutive naturals, for example, 150119 + ... + 150474.

Almost surely, 2^53505554 is an apocalyptic number.

53505554 is a deficient number, since it is larger than the sum of its proper divisors (27654826).

53505554 is a wasteful number, since it uses less digits than its factorization.

53505554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300684.

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 53505554 is about 7314.7490729348. The cubic root of 53505554 is about 376.8191408530.

The spelling of 53505554 in words is "fifty-three million, five hundred five thousand, five hundred fifty-four".