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55013806 = 2152318061
BaseRepresentation
bin1101000111011…
…1000110101110
310211111222202101
43101313012232
5103040420211
65243045314
71235416051
oct321670656
9124458671
1055013806
1129065761
121651083a
13b522563
147440a98
154c6a5c1
hex34771ae

55013806 has 8 divisors (see below), whose sum is σ = 82579464. Its totient is φ = 27487320.

The previous prime is 55013801. The next prime is 55013807. The reversal of 55013806 is 60831055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55013801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5985 + ... + 12076.

It is an arithmetic number, because the mean of its divisors is an integer number (10322433).

Almost surely, 255013806 is an apocalyptic number.

55013806 is a deficient number, since it is larger than the sum of its proper divisors (27565658).

55013806 is a wasteful number, since it uses less digits than its factorization.

55013806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19586.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 55013806 is about 7417.1292290212. The cubic root of 55013806 is about 380.3270637544.

The spelling of 55013806 in words is "fifty-five million, thirteen thousand, eight hundred six".

Divisors: 1 2 1523 3046 18061 36122 27506903 55013806