54455332531 has 4 divisors (see below), whose sum is σ = 54466178752. Its totient is φ = 54444486312.

The previous prime is 54455332511. The next prime is 54455332537. The reversal of 54455332531 is 13523355445.

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 54455332531 - 2³³ = 45865397939 is a prime.

It is a super-2 number, since 2×54455332531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54455332537) 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, 5415576 + ... + 5425621.

It is an arithmetic number, because the mean of its divisors is an integer number (13616544688).

Almost surely, 2^54455332531 is an apocalyptic number.

54455332531 is a deficient number, since it is larger than the sum of its proper divisors (10846221).

54455332531 is a wasteful number, since it uses less digits than its factorization.

54455332531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10846220.

The product of its digits is 540000, while the sum is 40.

Adding to 54455332531 its reverse (13523355445), we get a palindrome (67978687976).

The spelling of 54455332531 in words is "fifty-four billion, four hundred fifty-five million, three hundred thirty-two thousand, five hundred thirty-one".