53005664434 has 8 divisors (see below), whose sum is σ = 80628334848. Its totient is φ = 26129552820.

The previous prime is 53005664431. The next prime is 53005664473. The reversal of 53005664434 is 43446650035.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (53005664431) 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, 186639522 + ... + 186639805.

It is an arithmetic number, because the mean of its divisors is an integer number (10078541856).

Almost surely, 2^53005664434 is an apocalyptic number.

53005664434 is a deficient number, since it is larger than the sum of its proper divisors (27622670414).

53005664434 is a wasteful number, since it uses less digits than its factorization.

53005664434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373279400.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 53005664434 in words is "fifty-three billion, five million, six hundred sixty-four thousand, four hundred thirty-four".