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55038386 = 2135935879
BaseRepresentation
bin1101000111110…
…1000110110010
310211120020110202
43101331012302
5103042212021
65243355202
71235550524
oct321750662
9124506422
1055038386
1129082177
1216522b02
13b5307c0
147449a14
154c72a0b
hex347d1b2

55038386 has 16 divisors (see below), whose sum is σ = 90417600. Its totient is φ = 24971088.

The previous prime is 55038377. The next prime is 55038413. The reversal of 55038386 is 68383055.

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, 16406 + ... + 19473.

It is an arithmetic number, because the mean of its divisors is an integer number (5651100).

Almost surely, 255038386 is an apocalyptic number.

55038386 is a deficient number, since it is larger than the sum of its proper divisors (35379214).

55038386 is a wasteful number, since it uses less digits than its factorization.

55038386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35953.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 55038386 is about 7418.7860192891. The cubic root of 55038386 is about 380.3836983096.

The spelling of 55038386 in words is "fifty-five million, thirty-eight thousand, three hundred eighty-six".

Divisors: 1 2 13 26 59 118 767 1534 35879 71758 466427 932854 2116861 4233722 27519193 55038386