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55049713 = 167329639
BaseRepresentation
bin1101000111111…
…1110111110001
310211120211000021
43101333313301
5103043042323
65243523441
71235625535
oct321776761
9124524007
1055049713
112908a734
1216529581
13b5359c4
14744dbc5
154c7605d
hex347fdf1

55049713 has 4 divisors (see below), whose sum is σ = 55379520. Its totient is φ = 54719908.

The previous prime is 55049711. The next prime is 55049749. The reversal of 55049713 is 31794055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55049713 - 21 = 55049711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55049711) 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, 164653 + ... + 164986.

It is an arithmetic number, because the mean of its divisors is an integer number (13844880).

Almost surely, 255049713 is an apocalyptic number.

It is an amenable number.

55049713 is a deficient number, since it is larger than the sum of its proper divisors (329807).

55049713 is a wasteful number, since it uses less digits than its factorization.

55049713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329806.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 55049713 is about 7419.5493798478. The cubic root of 55049713 is about 380.4097910721.

The spelling of 55049713 in words is "fifty-five million, forty-nine thousand, seven hundred thirteen".

Divisors: 1 167 329639 55049713