55801255 has 8 divisors (see below), whose sum is σ = 67809600. Its totient is φ = 44075616.

The previous prime is 55801253. The next prime is 55801297. The reversal of 55801255 is 55210855.

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 55801255 - 2¹ = 55801253 is a prime.

It is a super-2 number, since 2×55801255² = 6227560119150050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55801253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70240 + ... + 71029.

It is an arithmetic number, because the mean of its divisors is an integer number (8476200).

Almost surely, 2^55801255 is an apocalyptic number.

55801255 is a deficient number, since it is larger than the sum of its proper divisors (12008345).

55801255 is a wasteful number, since it uses less digits than its factorization.

55801255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141353.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 55801255 is about 7470.0237616757. The cubic root of 55801255 is about 382.1330982705.

The spelling of 55801255 in words is "fifty-five million, eight hundred one thousand, two hundred fifty-five".