55024550 has 72 divisors (see below), whose sum is σ = 122474304. Its totient is φ = 18325440.

The previous prime is 55024549. The next prime is 55024561. The reversal of 55024550 is 5542055.

It is a super-2 number, since 2×55024550² = 6055402205405000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 90347 + ... + 90953.

It is an arithmetic number, because the mean of its divisors is an integer number (1701032).

Almost surely, 2^55024550 is an apocalyptic number.

55024550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55024550 is an abundant number, since it is smaller than the sum of its proper divisors (67449754).

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

55024550 is a wasteful number, since it uses less digits than its factorization.

55024550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 55024550 is about 7417.8534630983. The cubic root of 55024550 is about 380.3518209823.

The spelling of 55024550 in words is "fifty-five million, twenty-four thousand, five hundred fifty".