56755073 has 2 divisors, whose sum is σ = 56755074. Its totient is φ = 56755072.

The previous prime is 56755043. The next prime is 56755081. The reversal of 56755073 is 37055765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43454464 + 13300609 = 6592^2 + 3647^2 .

It is a cyclic number.

It is not a de Polignac number, because 56755073 - 2⁶ = 56755009 is a prime.

It is a super-2 number, since 2×56755073² = 6442276622470658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56755043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28377536 + 28377537.

It is an arithmetic number, because the mean of its divisors is an integer number (28377537).

Almost surely, 2^56755073 is an apocalyptic number.

It is an amenable number.

56755073 is a deficient number, since it is larger than the sum of its proper divisors (1).

56755073 is an equidigital number, since it uses as much as digits as its factorization.

56755073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 56755073 is about 7533.5962859713. The cubic root of 56755073 is about 384.2980925558.

The spelling of 56755073 in words is "fifty-six million, seven hundred fifty-five thousand, seventy-three".