53431540355 has 4 divisors (see below), whose sum is σ = 64117848432. Its totient is φ = 42745232280.

The previous prime is 53431540333. The next prime is 53431540381. The reversal of 53431540355 is 55304513435.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53431540355 - 2¹⁶ = 53431474819 is a prime.

It is a Duffinian 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, 5343154031 + ... + 5343154040.

It is an arithmetic number, because the mean of its divisors is an integer number (16029462108).

Almost surely, 2^53431540355 is an apocalyptic number.

53431540355 is a deficient number, since it is larger than the sum of its proper divisors (10686308077).

53431540355 is a wasteful number, since it uses less digits than its factorization.

53431540355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686308076.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 53431540355 in words is "fifty-three billion, four hundred thirty-one million, five hundred forty thousand, three hundred fifty-five".