54648751 has 4 divisors (see below), whose sum is σ = 55464472. Its totient is φ = 53833032.

The previous prime is 54648739. The next prime is 54648757. The reversal of 54648751 is 15784645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15784645 = 5 ⋅3156929.

It is a cyclic number.

It is not a de Polignac number, because 54648751 - 2⁵ = 54648719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54648757) 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 in 3 ways as a sum of consecutive naturals, for example, 407760 + ... + 407893.

It is an arithmetic number, because the mean of its divisors is an integer number (13866118).

Almost surely, 2^54648751 is an apocalyptic number.

54648751 is a deficient number, since it is larger than the sum of its proper divisors (815721).

54648751 is an equidigital number, since it uses as much as digits as its factorization.

54648751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815720.

The product of its digits is 134400, while the sum is 40.

The square root of 54648751 is about 7392.4793540462. The cubic root of 54648751 is about 379.4839509415.

The spelling of 54648751 in words is "fifty-four million, six hundred forty-eight thousand, seven hundred fifty-one".