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55844503689 = 3132949376219
BaseRepresentation
bin110100000000100101…
…111000000010001001
312100010220021201110110
4310000211320002021
51403332143104224
641353221304533
74014610310052
oct640045700211
9170126251413
1055844503689
1121757848197
12a9a6265149
13535c863c30
1429baa23729
1516bca14929
hexd00978089

55844503689 has 16 divisors (see below), whose sum is σ = 82952049600. Its totient is φ = 33180818496.

The previous prime is 55844503669. The next prime is 55844503691. The reversal of 55844503689 is 98630544855.

It is not a de Polignac number, because 55844503689 - 212 = 55844499593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55844503669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24686979 + ... + 24689240.

It is an arithmetic number, because the mean of its divisors is an integer number (5184503100).

Almost surely, 255844503689 is an apocalyptic number.

It is an amenable number.

55844503689 is a deficient number, since it is larger than the sum of its proper divisors (27107545911).

55844503689 is a wasteful number, since it uses less digits than its factorization.

55844503689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49376264.

The product of its (nonzero) digits is 20736000, while the sum is 57.

The spelling of 55844503689 in words is "fifty-five billion, eight hundred forty-four million, five hundred three thousand, six hundred eighty-nine".

Divisors: 1 3 13 29 39 87 377 1131 49376219 148128657 641890847 1431910351 1925672541 4295731053 18614834563 55844503689