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55373719 = 2331372099
BaseRepresentation
bin1101001100111…
…0111110010111
310212012021110111
43103032332113
5103133424334
65254503451
71241445262
oct323167627
9125167414
1055373719
1129291105
1216664b87
13b61a31b
1474d5cd9
154cdc064
hex34cef97

55373719 has 16 divisors (see below), whose sum is σ = 61286400. Its totient is φ = 49848480.

The previous prime is 55373713. The next prime is 55373741. The reversal of 55373719 is 91737355.

It is a cyclic number.

It is not a de Polignac number, because 55373719 - 211 = 55371671 is a prime.

It is a super-2 number, since 2×553737192 = 6132497511781922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55373713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25332 + ... + 27430.

It is an arithmetic number, because the mean of its divisors is an integer number (3830400).

Almost surely, 255373719 is an apocalyptic number.

55373719 is a deficient number, since it is larger than the sum of its proper divisors (5912681).

55373719 is a wasteful number, since it uses less digits than its factorization.

55373719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190.

The product of its digits is 99225, while the sum is 40.

The square root of 55373719 is about 7441.3519604975. The cubic root of 55373719 is about 381.1546573735.

The spelling of 55373719 in words is "fifty-five million, three hundred seventy-three thousand, seven hundred nineteen".

Divisors: 1 23 31 37 713 851 1147 2099 26381 48277 65069 77663 1496587 1786249 2407553 55373719