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55302748051 = 271311656171
BaseRepresentation
bin110011100000010011…
…001111011110010011
312021202010212200102211
4303200103033132103
51401230000414201
641223345452551
73665311413415
oct634023173623
9167663780384
1055302748051
11214a9a61161
12a874941157
1352a454c175
142968abc9b5
15168a19e651
hexce04cf793

55302748051 has 8 divisors (see below), whose sum is σ = 55685380608. Its totient is φ = 54921429000.

The previous prime is 55302748021. The next prime is 55302748073. The reversal of 55302748051 is 15084720355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55302748051 - 225 = 55269193619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55302747995 and 55302748013.

It is not an unprimeable number, because it can be changed into a prime (55302748021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243805 + ... + 412366.

It is an arithmetic number, because the mean of its divisors is an integer number (6960672576).

Almost surely, 255302748051 is an apocalyptic number.

55302748051 is a deficient number, since it is larger than the sum of its proper divisors (382632557).

55302748051 is a wasteful number, since it uses less digits than its factorization.

55302748051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656753.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 55302748051 in words is "fifty-five billion, three hundred two million, seven hundred forty-eight thousand, fifty-one".

Divisors: 1 271 311 84281 656171 177822341 204069181 55302748051