53402939690 has 64 divisors (see below), whose sum is σ = 99826594560. Its totient is φ = 20555458560.

The previous prime is 53402939683. The next prime is 53402939747. The reversal of 53402939690 is 9693920435.

It is a super-2 number, since 2×53402939690² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9548795 + ... + 9554385.

It is an arithmetic number, because the mean of its divisors is an integer number (1559790540).

Almost surely, 2^53402939690 is an apocalyptic number.

53402939690 is a deficient number, since it is larger than the sum of its proper divisors (46423654870).

53402939690 is a wasteful number, since it uses less digits than its factorization.

53402939690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967.

The product of its (nonzero) digits is 1574640, while the sum is 50.

The spelling of 53402939690 in words is "fifty-three billion, four hundred two million, nine hundred thirty-nine thousand, six hundred ninety".