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55103626457 = 118317602311
BaseRepresentation
bin110011010100011011…
…101001110011011001
312021020021012020221222
4303110123221303121
51400323012021312
641151513541425
73660343045115
oct632433516331
9167207166858
1055103626457
1121407619160
12a81a114875
135272211939
14294a488745
15167796a672
hexcd46e9cd9

55103626457 has 8 divisors (see below), whose sum is σ = 60120374592. Its totient is φ = 50088099600.

The previous prime is 55103626453. The next prime is 55103626471. The reversal of 55103626457 is 75462630155.

It is a happy number.

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

It is not a de Polignac number, because 55103626457 - 22 = 55103626453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55103626451) 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, 209669 + ... + 392642.

It is an arithmetic number, because the mean of its divisors is an integer number (7515046824).

Almost surely, 255103626457 is an apocalyptic number.

It is an amenable number.

55103626457 is a deficient number, since it is larger than the sum of its proper divisors (5016748135).

55103626457 is a wasteful number, since it uses less digits than its factorization.

55103626457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610639.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 55103626457 in words is "fifty-five billion, one hundred three million, six hundred twenty-six thousand, four hundred fifty-seven".

Divisors: 1 11 8317 91487 602311 6625421 5009420587 55103626457