Search a number
-
+
56053777 = 1317253637
BaseRepresentation
bin1101010111010…
…1000000010001
310220110211022211
43111311000101
5103322210102
65321232121
71250310043
oct325650021
9126424284
1056053777
112970603a
1216932641
13b7c7a20
147631a93
154dc37d7
hex3575011

56053777 has 8 divisors (see below), whose sum is σ = 63916776. Its totient is φ = 48698112.

The previous prime is 56053771. The next prime is 56053813. The reversal of 56053777 is 77735065.

It can be written as a sum of positive squares in 4 ways, for example, as 6548481 + 49505296 = 2559^2 + 7036^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56053777 - 27 = 56053649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56053771) 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 in 7 ways as a sum of consecutive naturals, for example, 126598 + ... + 127039.

It is an arithmetic number, because the mean of its divisors is an integer number (7989597).

Almost surely, 256053777 is an apocalyptic number.

It is an amenable number.

56053777 is a deficient number, since it is larger than the sum of its proper divisors (7862999).

56053777 is a wasteful number, since it uses less digits than its factorization.

56053777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253667.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 56053777 is about 7486.9070382902. The cubic root of 56053777 is about 382.7086636835.

The spelling of 56053777 in words is "fifty-six million, fifty-three thousand, seven hundred seventy-seven".

Divisors: 1 13 17 221 253637 3297281 4311829 56053777