54213352431 has 8 divisors (see below), whose sum is σ = 82610822784. Its totient is φ = 30979058520.

The previous prime is 54213352421. The next prime is 54213352471. The reversal of 54213352431 is 13425331245.

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

It is a de Polignac number, because none of the positive numbers 2^k-54213352431 is a prime.

It is a super-2 number, since 2×54213352431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54213352392 and 54213352401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54213352421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290794085 + ... + 1290794126.

It is an arithmetic number, because the mean of its divisors is an integer number (10326352848).

Almost surely, 2^54213352431 is an apocalyptic number.

54213352431 is a deficient number, since it is larger than the sum of its proper divisors (28397470353).

54213352431 is a wasteful number, since it uses less digits than its factorization.

54213352431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581588221.

The product of its digits is 43200, while the sum is 33.

Adding to 54213352431 its reverse (13425331245), we get a palindrome (67638683676).

The spelling of 54213352431 in words is "fifty-four billion, two hundred thirteen million, three hundred fifty-two thousand, four hundred thirty-one".