55054550 has 12 divisors (see below), whose sum is σ = 102401556. Its totient is φ = 22021800.

The previous prime is 55054541. The next prime is 55054553. The reversal of 55054550 is 5545055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55054553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550496 + ... + 550595.

It is an arithmetic number, because the mean of its divisors is an integer number (8533463).

Almost surely, 2^55054550 is an apocalyptic number.

55054550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55054550 is a deficient number, since it is larger than the sum of its proper divisors (47347006).

55054550 is a wasteful number, since it uses less digits than its factorization.

55054550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101103 (or 1101098 counting only the distinct ones).

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

The square root of 55054550 is about 7419.8753358800. The cubic root of 55054550 is about 380.4209324458.

The spelling of 55054550 in words is "fifty-five million, fifty-four thousand, five hundred fifty".