53505044 has 6 divisors (see below), whose sum is σ = 93633834. Its totient is φ = 26752520.

The previous prime is 53505017. The next prime is 53505073. The reversal of 53505044 is 44050535.

It can be written as a sum of positive squares in only one way, i.e., 38912644 + 14592400 = 6238^2 + 3820^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6688127 + ... + 6688134.

It is an arithmetic number, because the mean of its divisors is an integer number (15605639).

Almost surely, 2^53505044 is an apocalyptic number.

It is an amenable number.

53505044 is a deficient number, since it is larger than the sum of its proper divisors (40128790).

53505044 is a wasteful number, since it uses less digits than its factorization.

53505044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13376265 (or 13376263 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 53505044 is about 7314.7142117789. The cubic root of 53505044 is about 376.8179436042.

Adding to 53505044 its reverse (44050535), we get a palindrome (97555579).

The spelling of 53505044 in words is "fifty-three million, five hundred five thousand, forty-four".