55486255 has 16 divisors (see below), whose sum is σ = 73872000. Its totient is φ = 39667360.

The previous prime is 55486219. The next prime is 55486267. The reversal of 55486255 is 55268455.

It is not a de Polignac number, because 55486255 - 2⁷ = 55486127 is a prime.

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, 5305 + ... + 11794.

It is an arithmetic number, because the mean of its divisors is an integer number (4617000).

Almost surely, 2^55486255 is an apocalyptic number.

55486255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55486255 is a deficient number, since it is larger than the sum of its proper divisors (18385745).

55486255 is a wasteful number, since it uses less digits than its factorization.

55486255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174.

The product of its digits is 240000, while the sum is 40.

The square root of 55486255 is about 7448.9096517544. The cubic root of 55486255 is about 381.4126895020.

The spelling of 55486255 in words is "fifty-five million, four hundred eighty-six thousand, two hundred fifty-five".