53430978583 has 4 divisors (see below), whose sum is σ = 53435852680. Its totient is φ = 53426104488.

The previous prime is 53430978569. The next prime is 53430978589. The reversal of 53430978583 is 38587903435.

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

It is a cyclic number.

It is not a de Polignac number, because 53430978583 - 2¹³ = 53430970391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53430978589) 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, 2420568 + ... + 2442541.

It is an arithmetic number, because the mean of its divisors is an integer number (13358963170).

Almost surely, 2^53430978583 is an apocalyptic number.

53430978583 is a deficient number, since it is larger than the sum of its proper divisors (4874097).

53430978583 is a wasteful number, since it uses less digits than its factorization.

53430978583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874096.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 53430978583 in words is "fifty-three billion, four hundred thirty million, nine hundred seventy-eight thousand, five hundred eighty-three".