Search a number
-
+
55207676377 = 729817114769
BaseRepresentation
bin110011011010101000…
…100100100111011001
312021111111222112121201
4303122220210213121
51401031131121002
641210112034201
73663045335500
oct633250444731
9167444875551
1055207676377
1121460326427
12a848b32961
13528a942939
14295a211837
151681b70087
hexcdaa249d9

55207676377 has 12 divisors (see below), whose sum is σ = 64228276020. Its totient is φ = 47315632896.

The previous prime is 55207676371. The next prime is 55207676389. The reversal of 55207676377 is 77367670255.

It is a happy number.

55207676377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37578210201 + 17629466176 = 193851^2 + 132776^2 .

It is not a de Polignac number, because 55207676377 - 23 = 55207676369 is a prime.

It is a super-2 number, since 2×552076763772 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55207676371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423649 + ... + 538417.

It is an arithmetic number, because the mean of its divisors is an integer number (5352356335).

Almost surely, 255207676377 is an apocalyptic number.

It is an amenable number.

55207676377 is a deficient number, since it is larger than the sum of its proper divisors (9020599643).

55207676377 is a wasteful number, since it uses less digits than its factorization.

55207676377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124600 (or 124593 counting only the distinct ones).

The product of its (nonzero) digits is 12965400, while the sum is 55.

The spelling of 55207676377 in words is "fifty-five billion, two hundred seven million, six hundred seventy-six thousand, three hundred seventy-seven".

Divisors: 1 7 49 9817 68719 114769 481033 803383 5623681 1126687273 7886810911 55207676377