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55036057 = 371487461
BaseRepresentation
bin1101000111110…
…0100010011001
310211120010021111
43101330202121
5103042123212
65243340321
71235540656
oct321744231
9124503244
1055036057
112908044a
12165216a1
13b52c71b
147448c2d
154c71ea7
hex347c899

55036057 has 4 divisors (see below), whose sum is σ = 56523556. Its totient is φ = 53548560.

The previous prime is 55036049. The next prime is 55036097. The reversal of 55036057 is 75063055.

55036057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51609856 + 3426201 = 7184^2 + 1851^2 .

It is a cyclic number.

It is not a de Polignac number, because 55036057 - 23 = 55036049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55036097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743694 + ... + 743767.

It is an arithmetic number, because the mean of its divisors is an integer number (14130889).

Almost surely, 255036057 is an apocalyptic number.

It is an amenable number.

55036057 is a deficient number, since it is larger than the sum of its proper divisors (1487499).

55036057 is a wasteful number, since it uses less digits than its factorization.

55036057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487498.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 55036057 is about 7418.6290512466. The cubic root of 55036057 is about 380.3783328050.

The spelling of 55036057 in words is "fifty-five million, thirty-six thousand, fifty-seven".

Divisors: 1 37 1487461 55036057