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5500500061 = 7785785723
BaseRepresentation
bin1010001111101101…
…01111100001011101
3112012100011100120111
411013312233201131
542231112000221
62305450450021
7253210323220
oct50766574135
915170140514
105500500061
112372986121
121096133911
1369875a484
143a27475b7
15222d6cbe1
hex147daf85d

5500500061 has 4 divisors (see below), whose sum is σ = 6286285792. Its totient is φ = 4714714332.

The previous prime is 5500500053. The next prime is 5500500091. The reversal of 5500500061 is 1600050055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5500500061 - 23 = 5500500053 is a prime.

It is a super-2 number, since 2×55005000612 = 60511001842122007442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500500041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392892855 + ... + 392892868.

It is an arithmetic number, because the mean of its divisors is an integer number (1571571448).

Almost surely, 25500500061 is an apocalyptic number.

It is an amenable number.

5500500061 is a deficient number, since it is larger than the sum of its proper divisors (785785731).

5500500061 is an equidigital number, since it uses as much as digits as its factorization.

5500500061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785785730.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 5500500061 is about 74165.3562049020. The cubic root of 5500500061 is about 1765.2276626939.

The spelling of 5500500061 in words is "five billion, five hundred million, five hundred thousand, sixty-one".

Divisors: 1 7 785785723 5500500061