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55740755 = 572954917
BaseRepresentation
bin1101010010100…
…0100101010011
310212212220221102
43110220211103
5103232201010
65310415015
71244534330
oct324504523
9125786842
1055740755
1129511944
121680146b
13b7183c5
14758d987
154d60ba5
hex3528953

55740755 has 16 divisors (see below), whose sum is σ = 79081920. Its totient is φ = 36903552.

The previous prime is 55740749. The next prime is 55740757. The reversal of 55740755 is 55704755.

It is not a de Polignac number, because 55740755 - 26 = 55740691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55740757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26444 + ... + 28473.

It is an arithmetic number, because the mean of its divisors is an integer number (4942620).

Almost surely, 255740755 is an apocalyptic number.

55740755 is a deficient number, since it is larger than the sum of its proper divisors (23341165).

55740755 is a wasteful number, since it uses less digits than its factorization.

55740755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54958.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 55740755 is about 7465.9731448754. The cubic root of 55740755 is about 381.9949447902.

The spelling of 55740755 in words is "fifty-five million, seven hundred forty thousand, seven hundred fifty-five".

Divisors: 1 5 7 29 35 145 203 1015 54917 274585 384419 1592593 1922095 7962965 11148151 55740755