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55388974373 = 1812231372271
BaseRepresentation
bin110011100101011100…
…001010110100100101
312021222011010102201022
4303211130022310211
51401414034134443
641240105540525
74000406341205
oct634534126445
9167864112638
1055388974373
11215436a5287
12a8997a4745
1352b937c565
142976326405
151692a32e68
hexce570ad25

55388974373 has 8 divisors (see below), whose sum is σ = 55944784896. Its totient is φ = 54835909200.

The previous prime is 55388974349. The next prime is 55388974391. The reversal of 55388974373 is 37347988355.

55388974373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55388974373 - 218 = 55388712229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55388974073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645773 + ... + 726498.

It is an arithmetic number, because the mean of its divisors is an integer number (6993098112).

Almost surely, 255388974373 is an apocalyptic number.

It is an amenable number.

55388974373 is a deficient number, since it is larger than the sum of its proper divisors (555810523).

55388974373 is a wasteful number, since it uses less digits than its factorization.

55388974373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372675.

The product of its digits is 76204800, while the sum is 62.

The spelling of 55388974373 in words is "fifty-five billion, three hundred eighty-eight million, nine hundred seventy-four thousand, three hundred seventy-three".

Divisors: 1 181 223 40363 1372271 248381051 306016433 55388974373