56555351 has 8 divisors (see below), whose sum is σ = 58386240. Its totient is φ = 54740448.

The previous prime is 56555341. The next prime is 56555393. The reversal of 56555351 is 15355565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56555351 - 2¹⁰ = 56554327 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 (56555341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410 + ... + 11168.

It is an arithmetic number, because the mean of its divisors is an integer number (7298280).

Almost surely, 2^56555351 is an apocalyptic number.

56555351 is a deficient number, since it is larger than the sum of its proper divisors (1830889).

56555351 is a wasteful number, since it uses less digits than its factorization.

56555351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993.

The product of its digits is 56250, while the sum is 35.

The square root of 56555351 is about 7520.3291816250. The cubic root of 56555351 is about 383.8467790584.

The spelling of 56555351 in words is "fifty-six million, five hundred fifty-five thousand, three hundred fifty-one".