54978463 has 2 divisors, whose sum is σ = 54978464. Its totient is φ = 54978462.

The previous prime is 54978449. The next prime is 54978479. The reversal of 54978463 is 36487945.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54978463 is a prime.

It is a super-3 number, since 3×54978463³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54978863) 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, 27489231 + 27489232.

It is an arithmetic number, because the mean of its divisors is an integer number (27489232).

Almost surely, 2^54978463 is an apocalyptic number.

54978463 is a deficient number, since it is larger than the sum of its proper divisors (1).

54978463 is an equidigital number, since it uses as much as digits as its factorization.

54978463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 54978463 is about 7414.7463206775. The cubic root of 54978463 is about 380.2456006942.

The spelling of 54978463 in words is "fifty-four million, nine hundred seventy-eight thousand, four hundred sixty-three".