56545407 has 6 divisors (see below), whose sum is σ = 81676712. Its totient is φ = 37696932.

The previous prime is 56545403. The next prime is 56545427. The reversal of 56545407 is 70454565.

It is a happy number.

It is not a de Polignac number, because 56545407 - 2² = 56545403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56545403) 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 5 ways as a sum of consecutive naturals, for example, 3141403 + ... + 3141420.

Almost surely, 2^56545407 is an apocalyptic number.

56545407 is a deficient number, since it is larger than the sum of its proper divisors (25131305).

56545407 is a wasteful number, since it uses less digits than its factorization.

56545407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282829 (or 6282826 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 56545407 is about 7519.6680112888. The cubic root of 56545407 is about 383.8242807681.

The spelling of 56545407 in words is "fifty-six million, five hundred forty-five thousand, four hundred seven".