53503634 has 4 divisors (see below), whose sum is σ = 80255454. Its totient is φ = 26751816.

The previous prime is 53503633. The next prime is 53503643. The reversal of 53503634 is 43630535.

It is a happy number.

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., 33028009 + 20475625 = 5747^2 + 4525^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53503597 and 53503606.

It is not an unprimeable number, because it can be changed into a prime (53503633) 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, 13375907 + ... + 13375910.

Almost surely, 2^53503634 is an apocalyptic number.

53503634 is a deficient number, since it is larger than the sum of its proper divisors (26751820).

53503634 is a wasteful number, since it uses less digits than its factorization.

53503634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26751819.

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 53503634 is about 7314.6178300715. The cubic root of 53503634 is about 376.8146335240.

The spelling of 53503634 in words is "fifty-three million, five hundred three thousand, six hundred thirty-four".