550528055 has 16 divisors (see below), whose sum is σ = 823647744. Its totient is φ = 343186080.

The previous prime is 550528049. The next prime is 550528067. The reversal of 550528055 is 550825055.

It is a happy number.

It is not a de Polignac number, because 550528055 - 2⁸ = 550527799 is a prime.

It is a super-2 number, since 2×550528055² = 606162278684166050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 15 ways as a sum of consecutive naturals, for example, 714587 + ... + 715356.

It is an arithmetic number, because the mean of its divisors is an integer number (51477984).

Almost surely, 2^550528055 is an apocalyptic number.

550528055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550528055 is a deficient number, since it is larger than the sum of its proper divisors (273119689).

550528055 is a wasteful number, since it uses less digits than its factorization.

550528055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429966.

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 550528055 is about 23463.3342685987. The cubic root of 550528055 is about 819.5833968467.

The spelling of 550528055 in words is "five hundred fifty million, five hundred twenty-eight thousand, fifty-five".