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55056050563 = 94758137329
BaseRepresentation
bin110011010001100110…
…001010100110000011
312021002221200011002211
4303101212022212003
51400223322104223
641143054122551
73656224464643
oct632146124603
9167087604084
1055056050563
1121392783738
12a8061b0457
1352653c4a17
142944022523
1516736bdd0d
hexcd198a983

55056050563 has 4 divisors (see below), whose sum is σ = 55114188840. Its totient is φ = 54997912288.

The previous prime is 55056050513. The next prime is 55056050573. The reversal of 55056050563 is 36505065055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36505065055 = 57301013011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55056050563 is a prime.

It is a super-2 number, since 2×550560505632 (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 (55056050513) 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, 29067718 + ... + 29069611.

It is an arithmetic number, because the mean of its divisors is an integer number (13778547210).

Almost surely, 255056050563 is an apocalyptic number.

55056050563 is a deficient number, since it is larger than the sum of its proper divisors (58138277).

55056050563 is an equidigital number, since it uses as much as digits as its factorization.

55056050563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58138276.

The product of its (nonzero) digits is 337500, while the sum is 40.

The spelling of 55056050563 in words is "fifty-five billion, fifty-six million, fifty thousand, five hundred sixty-three".

Divisors: 1 947 58137329 55056050563