55025255 has 4 divisors (see below), whose sum is σ = 66030312. Its totient is φ = 44020200.

The previous prime is 55025249. The next prime is 55025281. The reversal of 55025255 is 55252055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55252055 = 5 ⋅11050411.

It is not a de Polignac number, because 55025255 - 2¹² = 55021159 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 3 ways as a sum of consecutive naturals, for example, 5502521 + ... + 5502530.

It is an arithmetic number, because the mean of its divisors is an integer number (16507578).

Almost surely, 2^55025255 is an apocalyptic number.

55025255 is a deficient number, since it is larger than the sum of its proper divisors (11005057).

55025255 is a wasteful number, since it uses less digits than its factorization.

55025255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11005056.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 55025255 is about 7417.9009834319. The cubic root of 55025255 is about 380.3534453899.

The spelling of 55025255 in words is "fifty-five million, twenty-five thousand, two hundred fifty-five".