55095550 has 24 divisors (see below), whose sum is σ = 102674232. Its totient is φ = 21996000.

The previous prime is 55095541. The next prime is 55095559. The reversal of 55095550 is 5559055.

It is an interprime number because it is at equal distance from previous prime (55095541) and next prime (55095559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55095559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46465 + ... + 47635.

It is an arithmetic number, because the mean of its divisors is an integer number (4278093).

Almost surely, 2^55095550 is an apocalyptic number.

55095550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55095550 is a deficient number, since it is larger than the sum of its proper divisors (47578682).

55095550 is a wasteful number, since it uses less digits than its factorization.

55095550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 34.

The square root of 55095550 is about 7422.6376713403. The cubic root of 55095550 is about 380.5153441883.

It can be divided in two parts, 550 and 95550, that added together give a square (96100 = 310²).

The spelling of 55095550 in words is "fifty-five million, ninety-five thousand, five hundred fifty".