6554505501 has 10 divisors (see below), whose sum is σ = 9791298462. Its totient is φ = 4369670280.

The previous prime is 6554505479. The next prime is 6554505511. The reversal of 6554505501 is 1055054556.

6554505501 is a `hidden beast` number, since 6 + 5 + 54 + 50 + 550 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6359903001 + 194602500 = 79749^2 + 13950^2 .

It is not a de Polignac number, because 6554505501 - 2⁵ = 6554505469 is a prime.

It is a super-2 number, since 2×6554505501² = 85923084725278522002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6554505511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40459830 + ... + 40459991.

Almost surely, 2^6554505501 is an apocalyptic number.

It is an amenable number.

6554505501 is a deficient number, since it is larger than the sum of its proper divisors (3236792961).

6554505501 is an equidigital number, since it uses as much as digits as its factorization.

6554505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80919833 (or 80919824 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The square root of 6554505501 is about 80959.9005742967. The cubic root of 6554505501 is about 1871.4575366702.

The spelling of 6554505501 in words is "six billion, five hundred fifty-four million, five hundred five thousand, five hundred one".