53351426621 has 8 divisors (see below), whose sum is σ = 56528490240. Its totient is φ = 50178667968.

The previous prime is 53351426617. The next prime is 53351426627. The reversal of 53351426621 is 12662415335.

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 53351426621 - 2² = 53351426617 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 (53351426627) 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, 1050701 + ... + 1100306.

It is an arithmetic number, because the mean of its divisors is an integer number (7066061280).

Almost surely, 2^53351426621 is an apocalyptic number.

It is an amenable number.

53351426621 is a deficient number, since it is larger than the sum of its proper divisors (3177063619).

53351426621 is a wasteful number, since it uses less digits than its factorization.

53351426621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152483.

The product of its digits is 129600, while the sum is 38.

The spelling of 53351426621 in words is "fifty-three billion, three hundred fifty-one million, four hundred twenty-six thousand, six hundred twenty-one".