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55371910 = 2511503381
BaseRepresentation
bin1101001100111…
…0100010000110
310212012011222111
43103032202012
5103133400120
65254451234
71241440066
oct323164206
9125164874
1055371910
112928a810
1216663b1a
13b619559
1474d53a6
154cdb75a
hex34ce886

55371910 has 16 divisors (see below), whose sum is σ = 108730512. Its totient is φ = 20135200.

The previous prime is 55371889. The next prime is 55371923. The reversal of 55371910 is 1917355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251581 + ... + 251800.

It is an arithmetic number, because the mean of its divisors is an integer number (6795657).

Almost surely, 255371910 is an apocalyptic number.

55371910 is a deficient number, since it is larger than the sum of its proper divisors (53358602).

55371910 is a wasteful number, since it uses less digits than its factorization.

55371910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503399.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 55371910 is about 7441.2304090117. The cubic root of 55371910 is about 381.1505066904.

It can be divided in two parts, 5537 and 1910, that added together give a palindrome (7447).

The spelling of 55371910 in words is "fifty-five million, three hundred seventy-one thousand, nine hundred ten".

Divisors: 1 2 5 10 11 22 55 110 503381 1006762 2516905 5033810 5537191 11074382 27685955 55371910