56555455 has 16 divisors (see below), whose sum is σ = 74776608. Its totient is φ = 40720000.

The previous prime is 56555431. The next prime is 56555467. The reversal of 56555455 is 55455565.

It is a de Polignac number, because none of the positive numbers 2^k-56555455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (4673538).

Almost surely, 2^56555455 is an apocalyptic number.

56555455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56555455 is a deficient number, since it is larger than the sum of its proper divisors (18221153).

56555455 is a wasteful number, since it uses less digits than its factorization.

56555455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298.

The product of its digits is 375000, while the sum is 40.

The square root of 56555455 is about 7520.3360962127. The cubic root of 56555455 is about 383.8470143443.

The spelling of 56555455 in words is "fifty-six million, five hundred fifty-five thousand, four hundred fifty-five".