53477867816 has 16 divisors (see below), whose sum is σ = 100425990240. Its totient is φ = 26697603760.

The previous prime is 53477867809. The next prime is 53477867819. The reversal of 53477867816 is 61876877435.

It is a super-2 number, since 2×53477867816² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53477867819) 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, 5160770 + ... + 5171121.

It is an arithmetic number, because the mean of its divisors is an integer number (6276624390).

Almost surely, 2^53477867816 is an apocalyptic number.

It is an amenable number.

53477867816 is a deficient number, since it is larger than the sum of its proper divisors (46948122424).

53477867816 is a wasteful number, since it uses less digits than its factorization.

53477867816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10332544 (or 10332540 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 62.

The spelling of 53477867816 in words is "fifty-three billion, four hundred seventy-seven million, eight hundred sixty-seven thousand, eight hundred sixteen".