53910515690 has 8 divisors (see below), whose sum is σ = 97038928260. Its totient is φ = 21564206272.

The previous prime is 53910515677. The next prime is 53910515723. The reversal of 53910515690 is 9651501935.

It can be written as a sum of positive squares in 2 ways, for example, as 52556938009 + 1353577681 = 229253^2 + 36791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53910515690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2695525775 + ... + 2695525794.

Almost surely, 2^53910515690 is an apocalyptic number.

53910515690 is a deficient number, since it is larger than the sum of its proper divisors (43128412570).

53910515690 is a wasteful number, since it uses less digits than its factorization.

53910515690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391051576.

The product of its (nonzero) digits is 182250, while the sum is 44.

The spelling of 53910515690 in words is "fifty-three billion, nine hundred ten million, five hundred fifteen thousand, six hundred ninety".