53303357861 has 8 divisors (see below), whose sum is σ = 57940100064. Its totient is φ = 48743256240.

The previous prime is 53303357857. The next prime is 53303357869. The reversal of 53303357861 is 16875330335.

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 53303357861 - 2² = 53303357857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53303357869) 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, 19158695 + ... + 19161476.

It is an arithmetic number, because the mean of its divisors is an integer number (7242512508).

Almost surely, 2^53303357861 is an apocalyptic number.

It is an amenable number.

53303357861 is a deficient number, since it is larger than the sum of its proper divisors (4636742203).

53303357861 is a wasteful number, since it uses less digits than its factorization.

53303357861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38320291.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 53303357861 in words is "fifty-three billion, three hundred three million, three hundred fifty-seven thousand, eight hundred sixty-one".