54533235431 has 4 divisors (see below), whose sum is σ = 54659178672. Its totient is φ = 54407292192.

The previous prime is 54533235353. The next prime is 54533235457. The reversal of 54533235431 is 13453233545.

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 54533235431 - 2¹⁰ = 54533234407 is a prime.

It is a super-2 number, since 2×54533235431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54533232431) 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, 62970971 + ... + 62971836.

It is an arithmetic number, because the mean of its divisors is an integer number (13664794668).

Almost surely, 2^54533235431 is an apocalyptic number.

54533235431 is a deficient number, since it is larger than the sum of its proper divisors (125943241).

54533235431 is a wasteful number, since it uses less digits than its factorization.

54533235431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125943240.

The product of its digits is 324000, while the sum is 38.

Adding to 54533235431 its reverse (13453233545), we get a palindrome (67986468976).

The spelling of 54533235431 in words is "fifty-four billion, five hundred thirty-three million, two hundred thirty-five thousand, four hundred thirty-one".