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55799132969 = 122945402061
BaseRepresentation
bin110011111101111000…
…110011001100101001
312100000201220122112102
4303331320303030221
51403234034223334
641344521023145
74013516542646
oct637570631451
9170021818472
1055799132969
1121734179528
12a993024ab5
135353339958
1429b49b2dcd
1516b8a5167e
hexcfde33329

55799132969 has 4 divisors (see below), whose sum is σ = 55844536260. Its totient is φ = 55753729680.

The previous prime is 55799132903. The next prime is 55799132999. The reversal of 55799132969 is 96923199755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51115783744 + 4683349225 = 226088^2 + 68435^2 .

It is a cyclic number.

It is not a de Polignac number, because 55799132969 - 220 = 55798084393 is a prime.

It is a super-2 number, since 2×557991329692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55799132999) 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, 22699802 + ... + 22702259.

It is an arithmetic number, because the mean of its divisors is an integer number (13961134065).

Almost surely, 255799132969 is an apocalyptic number.

It is an amenable number.

55799132969 is a deficient number, since it is larger than the sum of its proper divisors (45403291).

55799132969 is a wasteful number, since it uses less digits than its factorization.

55799132969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45403290.

The product of its digits is 41334300, while the sum is 65.

The spelling of 55799132969 in words is "fifty-five billion, seven hundred ninety-nine million, one hundred thirty-two thousand, nine hundred sixty-nine".

Divisors: 1 1229 45402061 55799132969