55793855 has 16 divisors (see below), whose sum is σ = 72273600. Its totient is φ = 41104128.

The previous prime is 55793851. The next prime is 55793869. The reversal of 55793855 is 55839755.

It is not a de Polignac number, because 55793855 - 2² = 55793851 is a prime.

It is a super-2 number, since 2×55793855² = 6225908511522050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55793851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38219 + ... + 39651.

It is an arithmetic number, because the mean of its divisors is an integer number (4517100).

Almost surely, 2^55793855 is an apocalyptic number.

55793855 is a deficient number, since it is larger than the sum of its proper divisors (16479745).

55793855 is a wasteful number, since it uses less digits than its factorization.

55793855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050.

The product of its digits is 945000, while the sum is 47.

The square root of 55793855 is about 7469.5284322372. The cubic root of 55793855 is about 382.1162055206.

The spelling of 55793855 in words is "fifty-five million, seven hundred ninety-three thousand, eight hundred fifty-five".