53432942638 has 8 divisors (see below), whose sum is σ = 81049969440. Its totient is φ = 26416286160.

The previous prime is 53432942621. The next prime is 53432942657. The reversal of 53432942638 is 83624923435.

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

It is a junction number, because it is equal to n+sod(n) for n = 53432942591 and 53432942600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150092358 + ... + 150092713.

It is an arithmetic number, because the mean of its divisors is an integer number (10131246180).

Almost surely, 2^53432942638 is an apocalyptic number.

53432942638 is a deficient number, since it is larger than the sum of its proper divisors (27617026802).

53432942638 is a wasteful number, since it uses less digits than its factorization.

53432942638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300185162.

The product of its digits is 3732480, while the sum is 49.

The spelling of 53432942638 in words is "fifty-three billion, four hundred thirty-two million, nine hundred forty-two thousand, six hundred thirty-eight".