53145634 has 4 divisors (see below), whose sum is σ = 79718454. Its totient is φ = 26572816.

The previous prime is 53145629. The next prime is 53145649. The reversal of 53145634 is 43654135.

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., 51194025 + 1951609 = 7155^2 + 1397^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53145596 and 53145605.

It is an unprimeable number.

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, 13286407 + ... + 13286410.

Almost surely, 2^53145634 is an apocalyptic number.

53145634 is a deficient number, since it is larger than the sum of its proper divisors (26572820).

53145634 is a wasteful number, since it uses less digits than its factorization.

53145634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26572819.

The product of its digits is 21600, while the sum is 31.

The square root of 53145634 is about 7290.1052118608. The cubic root of 53145634 is about 375.9723129228.

Adding to 53145634 its reverse (43654135), we get a palindrome (96799769).

The spelling of 53145634 in words is "fifty-three million, one hundred forty-five thousand, six hundred thirty-four".