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55237392190 = 257901699119
BaseRepresentation
bin110011011100011001…
…111011011100111110
312021120120220021001101
4303130121323130332
51401111233022230
641213053003314
73663556041511
oct633431733476
9167516807041
1055237392190
1121476082352
12a856a8353a
135293b48466
142960148d78
15168458eaca
hexcdc67b73e

55237392190 has 16 divisors (see below), whose sum is σ = 99440032320. Its totient is φ = 22092128800.

The previous prime is 55237392179. The next prime is 55237392251. The reversal of 55237392190 is 9129373255.

It is a super-2 number, since 2×552373921902 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55237392190.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270550 + ... + 428569.

It is an arithmetic number, because the mean of its divisors is an integer number (6215002020).

Almost surely, 255237392190 is an apocalyptic number.

55237392190 is a deficient number, since it is larger than the sum of its proper divisors (44202640130).

55237392190 is a wasteful number, since it uses less digits than its factorization.

55237392190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707027.

The product of its (nonzero) digits is 510300, while the sum is 46.

The spelling of 55237392190 in words is "fifty-five billion, two hundred thirty-seven million, three hundred ninety-two thousand, one hundred ninety".

Divisors: 1 2 5 10 7901 15802 39505 79010 699119 1398238 3495595 6991190 5523739219 11047478438 27618696095 55237392190