56550155 has 8 divisors (see below), whose sum is σ = 68623200. Its totient is φ = 44731456.

The previous prime is 56550149. The next prime is 56550163. The reversal of 56550155 is 55105565.

56550155 = T₂₆₅ + T₂₆₆ + ... + T₇₀₉.

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 56550155 - 2⁴ = 56550139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63095 + ... + 63984.

It is an arithmetic number, because the mean of its divisors is an integer number (8577900).

Almost surely, 2^56550155 is an apocalyptic number.

56550155 is a deficient number, since it is larger than the sum of its proper divisors (12073045).

56550155 is a wasteful number, since it uses less digits than its factorization.

56550155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127173.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 56550155 is about 7519.9837100887. The cubic root of 56550155 is about 383.8350234425.

The spelling of 56550155 in words is "fifty-six million, five hundred fifty thousand, one hundred fifty-five".