56755045 has 4 divisors (see below), whose sum is σ = 68106060. Its totient is φ = 45404032.

The previous prime is 56755043. The next prime is 56755073. The reversal of 56755045 is 54055765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54055765 = 5 ⋅10811153.

It can be written as a sum of positive squares in 2 ways, for example, as 16597476 + 40157569 = 4074^2 + 6337^2 .

It is a cyclic number.

It is not a de Polignac number, because 56755045 - 2¹ = 56755043 is a prime.

It is a super-2 number, since 2×56755045² = 6442270265904050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56754995 and 56755013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56755043) 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 3 ways as a sum of consecutive naturals, for example, 5675500 + ... + 5675509.

It is an arithmetic number, because the mean of its divisors is an integer number (17026515).

Almost surely, 2^56755045 is an apocalyptic number.

It is an amenable number.

56755045 is a deficient number, since it is larger than the sum of its proper divisors (11351015).

56755045 is a wasteful number, since it uses less digits than its factorization.

56755045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11351014.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 56755045 is about 7533.5944276288. The cubic root of 56755045 is about 384.2980293583.

The spelling of 56755045 in words is "fifty-six million, seven hundred fifty-five thousand, forty-five".