54451831 has 8 divisors (see below), whose sum is σ = 62393760. Its totient is φ = 46550688.

The previous prime is 54451811. The next prime is 54451843. The reversal of 54451831 is 13815445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54451831 is a prime.

It is a super-2 number, since 2×54451831² = 5930003798505122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54451793 and 54451802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54451811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7276 + ... + 12721.

It is an arithmetic number, because the mean of its divisors is an integer number (7799220).

Almost surely, 2^54451831 is an apocalyptic number.

54451831 is a deficient number, since it is larger than the sum of its proper divisors (7941929).

54451831 is a wasteful number, since it uses less digits than its factorization.

54451831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20393.

The product of its digits is 9600, while the sum is 31.

The square root of 54451831 is about 7379.1483925992. The cubic root of 54451831 is about 379.0275945684.

The spelling of 54451831 in words is "fifty-four million, four hundred fifty-one thousand, eight hundred thirty-one".