56754009 has 24 divisors (see below), whose sum is σ = 88550280. Its totient is φ = 34820352.

The previous prime is 56753999. The next prime is 56754013. The reversal of 56754009 is 90045765.

It can be written as a sum of positive squares in 4 ways, for example, as 5774409 + 50979600 = 2403^2 + 7140^2 .

It is not a de Polignac number, because 56754009 - 2¹⁵ = 56721241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56754029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59077 + ... + 60029.

It is an arithmetic number, because the mean of its divisors is an integer number (3689595).

Almost surely, 2^56754009 is an apocalyptic number.

It is an amenable number.

56754009 is a deficient number, since it is larger than the sum of its proper divisors (31796271).

56754009 is a wasteful number, since it uses less digits than its factorization.

56754009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 56754009 is about 7533.5256686362. The cubic root of 56754009 is about 384.2956910335.

The spelling of 56754009 in words is "fifty-six million, seven hundred fifty-four thousand, nine".