53020562533661 has 8 divisors (see below), whose sum is σ = 53489938369344. Its totient is φ = 52551189633600.

The previous prime is 53020562533573. The next prime is 53020562533709. The reversal of 53020562533661 is 16633526502035.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53020562533661 - 2³⁸ = 52745684626717 is a prime.

It is a super-2 number, since 2×53020562533661² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020562533261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52673690 + ... + 53670836.

It is an arithmetic number, because the mean of its divisors is an integer number (6686242296168).

Almost surely, 2^{53020562533661} is an apocalyptic number.

It is an amenable number.

53020562533661 is a deficient number, since it is larger than the sum of its proper divisors (469375835683).

53020562533661 is a wasteful number, since it uses less digits than its factorization.

53020562533661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467811.

The product of its (nonzero) digits is 2916000, while the sum is 47.

The spelling of 53020562533661 in words is "fifty-three trillion, twenty billion, five hundred sixty-two million, five hundred thirty-three thousand, six hundred sixty-one".