54045631 has 2 divisors, whose sum is σ = 54045632. Its totient is φ = 54045630.

The previous prime is 54045619. The next prime is 54045643. The reversal of 54045631 is 13654045.

It is a balanced prime because it is at equal distance from previous prime (54045619) and next prime (54045643).

It is a cyclic number.

It is not a de Polignac number, because 54045631 - 2⁵ = 54045599 is a prime.

It is a super-2 number, since 2×54045631² = 5841860460376322, which contains 22 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 54045631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54045661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27022815 + 27022816.

It is an arithmetic number, because the mean of its divisors is an integer number (27022816).

Almost surely, 2^54045631 is an apocalyptic number.

54045631 is a deficient number, since it is larger than the sum of its proper divisors (1).

54045631 is an equidigital number, since it uses as much as digits as its factorization.

54045631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 54045631 is about 7351.5733690143. The cubic root of 54045631 is about 378.0827506560.

Adding to 54045631 its reverse (13654045), we get a palindrome (67699676).

The spelling of 54045631 in words is "fifty-four million, forty-five thousand, six hundred thirty-one".