53309691910 has 32 divisors (see below), whose sum is σ = 101620554912. Its totient is φ = 20065866240.

The previous prime is 53309691907. The next prime is 53309691917. The reversal of 53309691910 is 1919690335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53309691917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017045 + ... + 1068175.

It is an arithmetic number, because the mean of its divisors is an integer number (3175642341).

Almost surely, 2^53309691910 is an apocalyptic number.

53309691910 is a deficient number, since it is larger than the sum of its proper divisors (48310863002).

53309691910 is a wasteful number, since it uses less digits than its factorization.

53309691910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57288.

The product of its (nonzero) digits is 196830, while the sum is 46.

The spelling of 53309691910 in words is "fifty-three billion, three hundred nine million, six hundred ninety-one thousand, nine hundred ten".