53691506416 has 20 divisors (see below), whose sum is σ = 104053060912. Its totient is φ = 26839103616.

The previous prime is 53691506411. The next prime is 53691506443. The reversal of 53691506416 is 61460519635.

It is a super-2 number, since 2×53691506416² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53691506411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348660 + ... + 478483.

Almost surely, 2^53691506416 is an apocalyptic number.

It is an amenable number.

53691506416 is a deficient number, since it is larger than the sum of its proper divisors (50361554496).

53691506416 is a wasteful number, since it uses less digits than its factorization.

53691506416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831208 (or 831202 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 53691506416 in words is "fifty-three billion, six hundred ninety-one million, five hundred six thousand, four hundred sixteen".