44778053 has 2 divisors, whose sum is σ = 44778054. Its totient is φ = 44778052.

The previous prime is 44778049. The next prime is 44778061. The reversal of 44778053 is 35087744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37368769 + 7409284 = 6113^2 + 2722^2 .

It is a cyclic number.

It is not a de Polignac number, because 44778053 - 2² = 44778049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44777998 and 44778016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44778073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22389026 + 22389027.

It is an arithmetic number, because the mean of its divisors is an integer number (22389027).

Almost surely, 2^44778053 is an apocalyptic number.

It is an amenable number.

44778053 is a deficient number, since it is larger than the sum of its proper divisors (1).

44778053 is an equidigital number, since it uses as much as digits as its factorization.

44778053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 44778053 is about 6691.6405312898. The cubic root of 44778053 is about 355.1035947086.

The spelling of 44778053 in words is "forty-four million, seven hundred seventy-eight thousand, fifty-three".