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55511050610049 = 318503683536683
BaseRepresentation
bin11001001111100101011000…
…11100111110010110000001
321021112210201120011020222020
430213302230130332112001
524233443112424010144
6314021231414032053
714456353403613636
oct1447625434762601
9237483646136866
1055511050610049
1116762116998a21
1262864b6648629
1324c889219c608
14d9ca6ba9a18d
15663e831ee419
hex327cac73e581

55511050610049 has 4 divisors (see below), whose sum is σ = 74014734146736. Its totient is φ = 37007367073364.

The previous prime is 55511050610039. The next prime is 55511050610077. The reversal of 55511050610049 is 94001605011555.

It is a happy number.

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 55511050610049 - 217 = 55511050478977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55511050610039) 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, 9251841768339 + ... + 9251841768344.

It is an arithmetic number, because the mean of its divisors is an integer number (18503683536684).

Almost surely, 255511050610049 is an apocalyptic number.

It is an amenable number.

55511050610049 is a deficient number, since it is larger than the sum of its proper divisors (18503683536687).

55511050610049 is a wasteful number, since it uses less digits than its factorization.

55511050610049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18503683536686.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 55511050610049 in words is "fifty-five trillion, five hundred eleven billion, fifty million, six hundred ten thousand, forty-nine".

Divisors: 1 3 18503683536683 55511050610049