53219865908 has 24 divisors (see below), whose sum is σ = 104879034624. Its totient is φ = 23410497600.

The previous prime is 53219865863. The next prime is 53219865911. The reversal of 53219865908 is 80956891235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19507385 + ... + 19510112.

It is an arithmetic number, because the mean of its divisors is an integer number (4369959776).

Almost surely, 2^53219865908 is an apocalyptic number.

It is an amenable number.

53219865908 is a deficient number, since it is larger than the sum of its proper divisors (51659168716).

53219865908 is a wasteful number, since it uses less digits than its factorization.

53219865908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39017543 (or 39017541 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 53219865908 in words is "fifty-three billion, two hundred nineteen million, eight hundred sixty-five thousand, nine hundred eight".