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55693077 = 3111687669
BaseRepresentation
bin1101010001110…
…0111100010101
310212210111112120
43110130330111
5103224134302
65305410153
71244245326
oct324347425
9125714476
1055693077
112948a040
1216799959
13b6cc7ab
14757a44d
154d519bc
hex351cf15

55693077 has 8 divisors (see below), whose sum is σ = 81008160. Its totient is φ = 33753360.

The previous prime is 55693031. The next prime is 55693091. The reversal of 55693077 is 77039655.

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

It is not a de Polignac number, because 55693077 - 210 = 55692053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55693007) 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, 843802 + ... + 843867.

It is an arithmetic number, because the mean of its divisors is an integer number (10126020).

Almost surely, 255693077 is an apocalyptic number.

It is an amenable number.

55693077 is a deficient number, since it is larger than the sum of its proper divisors (25315083).

55693077 is a wasteful number, since it uses less digits than its factorization.

55693077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687683.

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 55693077 is about 7462.7794420042. The cubic root of 55693077 is about 381.8860002653.

It can be divided in two parts, 5569 and 3077, that added together give a triangular number (8646 = T131).

The spelling of 55693077 in words is "fifty-five million, six hundred ninety-three thousand, seventy-seven".

Divisors: 1 3 11 33 1687669 5063007 18564359 55693077