54020455431 has 8 divisors (see below), whose sum is σ = 72469159680. Its totient is φ = 35792694072.

The previous prime is 54020455393. The next prime is 54020455439. The reversal of 54020455431 is 13455402045.

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

It is not a de Polignac number, because 54020455431 - 2⁹ = 54020454919 is a prime.

It is a super-2 number, since 2×54020455431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54020455392 and 54020455401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54020455439) 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, 55235151 + ... + 55236128.

It is an arithmetic number, because the mean of its divisors is an integer number (9058644960).

Almost surely, 2^54020455431 is an apocalyptic number.

54020455431 is a deficient number, since it is larger than the sum of its proper divisors (18448704249).

54020455431 is a wasteful number, since it uses less digits than its factorization.

54020455431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110471445.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 54020455431 its reverse (13455402045), we get a palindrome (67475857476).

The spelling of 54020455431 in words is "fifty-four billion, twenty million, four hundred fifty-five thousand, four hundred thirty-one".