53661598075 has 6 divisors (see below), whose sum is σ = 66540381644. Its totient is φ = 42929278440.

The previous prime is 53661598061. The next prime is 53661598091. The reversal of 53661598075 is 57089516635.

It is not a de Polignac number, because 53661598075 - 2¹⁹ = 53661073787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1073231937 + ... + 1073231986.

Almost surely, 2^53661598075 is an apocalyptic number.

53661598075 is a deficient number, since it is larger than the sum of its proper divisors (12878783569).

53661598075 is a wasteful number, since it uses less digits than its factorization.

53661598075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146463933 (or 2146463928 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 53661598075 in words is "fifty-three billion, six hundred sixty-one million, five hundred ninety-eight thousand, seventy-five".