54428783 has 2 divisors, whose sum is σ = 54428784. Its totient is φ = 54428782.

The previous prime is 54428779. The next prime is 54428809. The reversal of 54428783 is 38782445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54428783 - 2² = 54428779 is a prime.

It is a super-2 number, since 2×54428783² = 5924984837722178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54428783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54428743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27214391 + 27214392.

It is an arithmetic number, because the mean of its divisors is an integer number (27214392).

Almost surely, 2^54428783 is an apocalyptic number.

54428783 is a deficient number, since it is larger than the sum of its proper divisors (1).

54428783 is an equidigital number, since it uses as much as digits as its factorization.

54428783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 41.

The square root of 54428783 is about 7377.5865294824. The cubic root of 54428783 is about 378.9741096156.

The spelling of 54428783 in words is "fifty-four million, four hundred twenty-eight thousand, seven hundred eighty-three".