53561535 has 32 divisors (see below), whose sum is σ = 88413120. Its totient is φ = 27675648.

The previous prime is 53561507. The next prime is 53561567. The reversal of 53561535 is 53516535.

It is not a de Polignac number, because 53561535 - 2⁶ = 53561471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53561496 and 53561505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70377 + ... + 71133.

It is an arithmetic number, because the mean of its divisors is an integer number (2762910).

Almost surely, 2^53561535 is an apocalyptic number.

53561535 is a deficient number, since it is larger than the sum of its proper divisors (34851585).

53561535 is a wasteful number, since it uses less digits than its factorization.

53561535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907.

The product of its digits is 33750, while the sum is 33.

The square root of 53561535 is about 7318.5746563112. The cubic root of 53561535 is about 376.9505126336.

The spelling of 53561535 in words is "fifty-three million, five hundred sixty-one thousand, five hundred thirty-five".