55024554 has 32 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 16676352.

The previous prime is 55024549. The next prime is 55024561. The reversal of 55024554 is 45542055.

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, 39 + ... + 10490.

It is an arithmetic number, because the mean of its divisors is an integer number (3759210).

Almost surely, 2^55024554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55024554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60147360).

55024554 is an abundant number, since it is smaller than the sum of its proper divisors (65270166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55024554 is a wasteful number, since it uses less digits than its factorization.

55024554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10614.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 55024554 is about 7417.8537327181. The cubic root of 55024554 is about 380.3518301988.

The spelling of 55024554 in words is "fifty-five million, twenty-four thousand, five hundred fifty-four".