53146621516 has 6 divisors (see below), whose sum is σ = 93006587660. Its totient is φ = 26573310756.

The previous prime is 53146621471. The next prime is 53146621543. The reversal of 53146621516 is 61512664135.

It is a happy number.

53146621516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6643327686 + ... + 6643327693.

Almost surely, 2^53146621516 is an apocalyptic number.

It is an amenable number.

53146621516 is a deficient number, since it is larger than the sum of its proper divisors (39859966144).

53146621516 is a wasteful number, since it uses less digits than its factorization.

53146621516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13286655383 (or 13286655381 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The spelling of 53146621516 in words is "fifty-three billion, one hundred forty-six million, six hundred twenty-one thousand, five hundred sixteen".