54789481 has 2 divisors, whose sum is σ = 54789482. Its totient is φ = 54789480.

The previous prime is 54789463. The next prime is 54789499. The reversal of 54789481 is 18498745.

It is a balanced prime because it is at equal distance from previous prime (54789463) and next prime (54789499).

It can be written as a sum of positive squares in only one way, i.e., 53523856 + 1265625 = 7316^2 + 1125^2 .

It is a cyclic number.

It is not a de Polignac number, because 54789481 - 2⁹ = 54788969 is a prime.

It is a super-2 number, since 2×54789481² = 6003774456498722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54789421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27394740 + 27394741.

It is an arithmetic number, because the mean of its divisors is an integer number (27394741).

Almost surely, 2^54789481 is an apocalyptic number.

It is an amenable number.

54789481 is a deficient number, since it is larger than the sum of its proper divisors (1).

54789481 is an equidigital number, since it uses as much as digits as its factorization.

54789481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The square root of 54789481 is about 7401.9916914301. The cubic root of 54789481 is about 379.8094173595.

The spelling of 54789481 in words is "fifty-four million, seven hundred eighty-nine thousand, four hundred eighty-one".