56641403 has 12 divisors (see below), whose sum is σ = 70958160. Its totient is φ = 44814672.

The previous prime is 56641397. The next prime is 56641427. The reversal of 56641403 is 30414665.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-56641403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56641463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43823 + ... + 45096.

It is an arithmetic number, because the mean of its divisors is an integer number (5913180).

Almost surely, 2^56641403 is an apocalyptic number.

56641403 is a deficient number, since it is larger than the sum of its proper divisors (14316757).

56641403 is a wasteful number, since it uses less digits than its factorization.

56641403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88946 (or 88939 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 56641403 is about 7526.0482990744. The cubic root of 56641403 is about 384.0413615567.

The spelling of 56641403 in words is "fifty-six million, six hundred forty-one thousand, four hundred three".